Explore topic-wise MCQs in Engineering.

This section includes 226 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

What is correct about the following program? #include<iostream.h> class Base { int x, y, z; public: Base() { x = y = z = 0; } Base(int xx, int yy = 'A', int zz = 'B') { x = xx; y = x + yy; z = x + y; } void Display(void) { cout<< x << " " << y << " " << z << endl; } }; class Derived : public Base { int x, y; public: Derived(int xx = 65, int yy = 66) : Base(xx, yy) { y = xx; x = yy; } void Display(void) { cout<< x << " " << y << " "; Display(); } }; int main() { Derived objD; objD.Display(); return 0; }

A. The program will report compilation error.
B. The program will run successfully giving the output 66 65.
C. The program will run successfully giving the output 65 66.
D. The program will run successfully giving the output 66 65 65 131 196.
E. The program will produce the output 66 65 infinite number of times (or till stack memory overflow).
Answer» D. The program will run successfully giving the output 66 65 65 131 196.
Discussion
52.

What will be the output of the following program? #include<iostream.h> class Bix { public: int x; }; int main() { Bix *p = new Bix(); (*p).x = 10; cout<< (*p).x << " " << p->x << " " ; p->x = 20; cout<< (*p).x << " " << p->x ; return 0; }

A. 10 10 20 20
B. Garbage garbage 20 20
C. 10 10 Garbage garbage
D. Garbage garbage Garbage garbage
Answer» B. Garbage garbage 20 20
Discussion
53.

Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { public: void Bix(int x = 15) { x = x/2; if(x > 0) Bix(); else cout<< x % 2; } }; int main() { IndiaBix objIB; objIB.Bix(); return 0; }

A. The program will display 1.
B. The program will display 2.
C. The program will display 15.
D. The program will go into an infinite loop.
E. The program will report error on compilation.
Answer» E. The program will report error on compilation.
Discussion
54.

What will be the output of the following program? #include<iostream.h> class IndiabixSample { public: int a; float b; void BixFunction(int a, float b, float c = 100.0f) { cout<< a % 20 + c * --b; } }; int main() { IndiabixSample objBix; objBix.BixFunction(20, 2.000000f, 5.0f); return 0; }

A. 0
B. 5
C. 100
D. -5
E. None of these
Answer» C. 100
Discussion
55.

Which of the following statement is correct about the program given below? #include<iostream.h> class BixBase { int x, y; public: BixBase(int xx = 10, int yy = 10) { x = xx; y = yy; } void Show() { cout<< x * y << endl; } }; class BixDerived { private: BixBase objBase; public: BixDerived(int xx, int yy) : objBase(xx, yy) { objBase.Show(); } }; int main() { BixDerived objDev(10, 20); return 0; }

A. The program will print the output 100.
B. The program will print the output 200.
C. The program will print the output Garbage-value.
D. The program will report compile time error.
Answer» C. The program will print the output Garbage-value.
Discussion
56.

Which of the following statement is correct about the program given below? #include<iostream.h> #include<process.h> class IndiaBix { static int x; public: IndiaBix() { if(x == 1) exit(0); else x++; } void Display() { cout<< x << " "; } }; int IndiaBix::x = 0; int main() { IndiaBix objBix1; objBix1.Display(); IndiaBix objBix2; objBix2.Display(); return 0; }

A. The program will print the output 1 2.
B. The program will print the output 0 1.
C. The program will print the output 1 1.
D. The program will print the output 1.
E. The program will report compile time error.
Answer» E. The program will report compile time error.
Discussion
57.

What will be the output of the following program? #include<iostream.h> class Bix { int x, y; public: void show(void); void main(void); }; void Bix::show(void) { Bix b; b.x = 2; b.y = 4; cout<< x << " " << y; } void Bix::main(void) { Bix b; b.x = 6; b.y = 8; b.show(); } int main(int argc, char *argv[]) { Bix run; run.main(); return 0; }

A. 2 4
B. 6 8
C. The program will report error on Compilation.
D. The program will report error on Linking.
E. The program will report error on Run-time.
Answer» C. The program will report error on Compilation.
Discussion
58.

What will be the output of the following program? #include<iostream.h> #include<string.h> class IndiaBix { int val; public: void SetValue(char *str1, char *str2) { val = strcspn(str1, str2); } void ShowValue() { cout<< val; } }; int main() { IndiaBix objBix; objBix.SetValue((char*)"India", (char*)"Bix"); objBix.ShowValue(); return 0; }

A. 2
B. 3
C. 5
D. 8
Answer» C. 5
Discussion
59.

Which of the following constructor is used in the program given below? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx = 10, int yy = 20 ) { x = xx; y = yy; } void Display() { cout<< x << " " << y << endl; } ~IndiaBix() { } }; int main() { IndiaBix objBix; objBix.Display(); return 0; }

A. Copy constructor
B. Simple constructor
C. Non-parameterized constructor
D. Default constructor
Answer» E.
Discussion
60.

What will be the output of the following program? #include<iostream.h> class BixBase { public: BixBase() { cout<< "Base OK. "; } ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }

A. Base OK. Derived OK.
B. Base OK. Derived OK. Base DEL.
C. Base OK. Derived OK. Derived DEL.
D. Base OK. Derived OK. Derived DEL. Base DEL.
E. Base OK. Derived OK. Base DEL. Derived DEL.
Answer» C. Base OK. Derived OK. Derived DEL.
Discussion
61.

Which of the following statement is correct about the program given below? #include<iostream.h> void Tester(float xx, float yy = 5.0); class IndiaBix { float x; float y; public: void Tester(float xx, float yy = 5.0) { x = xx; y = yy; cout<< ++x % --y; } }; int main() { IndiaBix objBix; objBix.Tester(5.0, 5.0); return 0; }

A. The program will print the output 0.
B. The program will print the output 1.
C. The program will print the output 2.
D. The program will print the output garbage value.
E. The program will report compile time error.
Answer» F.
Discussion
62.

Which of the following statement is correct about the program given below? #include<iostream.h> const double BixConstant(const int, const int = 0); int main() { const int c = 2 ; cout<< BixConstant(c, 10)<< " "; cout<< BixConstant(c, 20)<< endl; return 0; } const double BixConstant(const int x, const int y) { return( (y + (y * x) * x % y) * 0.2); }

A. The program will print the output 2 4.
B. The program will print the output 20 40.
C. The program will print the output 10 20.
D. The program will print the output 20 4.50.
E. The program will report compile time error.
Answer» B. The program will print the output 20 40.
Discussion
63.

What will be the output of the following program? #include<iostream.h> class IndiaBix { int K; public: void BixFunction(float, int , char); void BixFunction(float, char, char); }; int main() { IndiaBix objIB; objIB.BixFunction(15.09, 'A', char('A' + 'A')); return 0; } void IndiaBix::BixFunction(float, char y, char z) { K = int(z); K = int(y); K = y + z; cout<< "K = " << K << endl; }

A. The program will print the output M = 130.
B. The program will print the output M = 195.
C. The program will print the output M = -21.
D. The program will print the output M = -61.
E. The program will report compile time error.
Answer» E. The program will report compile time error.
Discussion
64.

What will be the output of the following program? #include<iostream.h> class AreaFinder { float l, b, h; float result; public: AreaFinder(float hh = 0, float ll = 0, float bb = 0) { l = ll; b = bb; h = hh; } void Display(int ll) { if(l = 0) result = 3.14f * h * h; else result = l * b; cout<< result; } }; int main() { AreaFinder objAF(10, 10, 20); objAF.Display(0); return 0; }

A. 0
B. 314
C. 314.0000
D. 200.0000
Answer» B. 314
Discussion
65.

What will be the output of the following program? #include<iostream.h> class Point { int x, y; public: Point(int xx = 10, int yy = 20) { x = xx; y = yy; } Point operator + (Point objPoint) { Point objTmp; objTmp.x = objPoint.x + this->x; objTmp.y = objPoint.y + this->y; return objTmp; } void Display(void) { cout<< x << " " << y; } }; int main() { Point objP1; Point objP2(1, 2); Point objP3 = objP1 + objP2; objP3.Display(); return 0; }

A. 1 2
B. 10 20
C. 11 22
D. Garbage Garbage
E. The program will report compile time error.
Answer» D. Garbage Garbage
Discussion
66.

What will be the output of the following program? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx) { x = ++xx; } ~IndiaBix() { cout<< x - 1 << " "; } void Display() { cout<< --x + 1 << " "; } }; int main() { IndiaBix objBix(5); objBix.Display(); int *p = (int*) &objBix; *p = 40; objBix.Display(); return 0; }

A. 6 6 4
B. 6 6 5
C. 5 40 38
D. 6 40 38
E. 6 40 39
Answer» E. 6 40 39
Discussion
67.

What will be the output of the following program? #include<iostream.h> class BixBase { public: BixBase() { cout<< "Base OK. "; } virtual ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }

A. Base OK. Derived OK.
B. Base OK. Derived OK. Base DEL.
C. Base OK. Derived OK. Derived DEL.
D. Base OK. Derived OK. Derived DEL. Base DEL.
E. Base OK. Derived OK. Base DEL. Derived DEL.
Answer» E. Base OK. Derived OK. Base DEL. Derived DEL.
Discussion
68.

What will be the output of the following program? #include<iostream.h> class BixBase { public: int x, y; BixBase(int xx = 0, int yy = 5) { x = ++xx; y = --yy; } void Display() { cout<< --y; } ~BixBase(){} }; class BixDerived : public BixBase { public: void Increment() { y++; } void Display() { cout<< --y; } }; int main() { BixDerived objBix; objBix.Increment(); objBix.Display(); return 0; }

A. 3
B. 4
C. 5
D. Garbage-value
E. The program will report compile time error.
Answer» C. 5
Discussion
69.

Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { int *p; public: IndiaBix(int xx, char ch) { p = new int(); *p = xx + int(ch); cout<< *p; } ~IndiaBix() { delete p; } }; int main() { IndiaBix objBix(10, 'B'); return 0; }

A. The program will print the output 76.
B. The program will print the output 108.
C. The program will print the output garbage value.
D. The program will report compile time error.
Answer» B. The program will print the output 108.
Discussion
70.

What will be the output of the following program? #include<iostream.h> class BixBase { public: BixBase() { cout<< "Base OK. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase objB; BixDerived objD; objD.~BixDerived(); return 0; }

A. Base OK. Derived OK. Derived DEL.
B. Base OK. Base OK. Derived OK. Derived DEL.
C. Base OK. Derived OK. Derived DEL. Derived DEL.
D. Base OK. Base OK. Derived OK. Derived DEL. Derived DEL.
E. The program will report compile time error.
Answer» E. The program will report compile time error.
Discussion
71.

What is the technical word for the function ~IndiaBix() defined in the following program? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx = 10, int yy = 20 ) { x = xx; y = yy; } void Display() { cout<< x << " " << y << endl; } ~IndiaBix() { } }; int main() { IndiaBix objBix; objBix.Display(); return 0; }

A. Constructor
B. Destructor
C. Default Destructor
D. Function Template
Answer» C. Default Destructor
Discussion
72.

What will be the output of the following program? #include<iostream.h> class A { public: void BixFunction(void) { cout<< "Class A" << endl; } }; class B: public A { public: void BixFunction(void) { cout<< "Class B" << endl; } }; class C : public B { public: void BixFunction(void) { cout<< "Class C" << endl; } }; int main() { A *ptr; B objB; ptr = &objB; ptr = new C(); ptr->BixFunction(); return 0; }

A. Class A.
B. Class B.
C. Class C.
D. The program will report compile time error.
Answer» B. Class B.
Discussion
73.

Which of the following statement is correct about the program given below? #include<iostream.h> class BixBase { int x, y; public: BixBase(int xx = 10, int yy = 10) { x = xx; y = yy; } void Show() { cout<< x * y << endl; } }; class BixDerived : public BixBase { private: BixBase objBase; public: BixDerived(int xx, int yy) : BixBase(xx, yy), objBase(yy, yy) { objBase.Show(); } }; int main() { BixDerived objDev(10, 20); return 0; }

A. The program will print the output 100.
B. The program will print the output 200.
C. The program will print the output 400.
D. The program will print the output Garbage-value.
E. The program will report compile time error.
Answer» D. The program will print the output Garbage-value.
Discussion
74.

What will be the output of the following program? #include<iostream.h> class India { public: struct Bix { int x; float y; void Function(void) { y = x = (x = 4*4); y = --y * y; } void Display() { cout<< y << endl; } }B; }I; int main() { I.B.Display(); return 0; }

A. 0
B. 1
C. -1
D. Garbage value
Answer» B. 1
Discussion
75.

What will be the output of the following program? #include<iostream.h> #include<string.h> class IndiaBix { char str[50]; char tmp[50]; public: IndiaBix(char *s) { strcpy(str, s); } int BixFunction() { int i = 0, j = 0; while(*(str + i)) { if(*(str + i++) == ' ') *(tmp + j++) = *(str + i); } *(tmp + j) = 0; return strlen(tmp); } }; int main() { char txt[] = "Welcome to IndiaBix.com!"; IndiaBix objBix(txt); cout<< objBix.BixFunction(); return 0; }

A. 1
B. 2
C. 24
D. 25
Answer» C. 24
Discussion
76.

Which of the following statement is correct about the program given below? #include<iostream.h> #include<string.h> class IndiaBix { public: void GetData(char *s, int x, int y ) { int i = 0; for (i = x-1; y>0; i++) { cout<< s[i]; y--; } } }; int main() { IndiaBix objBix; objBix.GetData((char*)"Welcome!", 1, 3); return 0; }

A. The program will print the output me!.
B. The program will print the output Wel.
C. The program will print the output !em.
D. The program will print the output Welcome!.
E. The program will result in a compile time error.
Answer» C. The program will print the output !em.
Discussion
77.

Which of the following statement is correct about the program given below? #include<iostream.h> class BixData { int x, y, z; public: BixData(int xx, int yy, int zz) { x = ++xx; y = ++yy; z = ++zz; } void Show() { cout<< "" << x++ << " " << y++ << " " << z++; } }; int main() { BixData objData(1, 2, 3); objData.Show(); return 0; }

A. The program will print the output 1 2 3.
B. The program will print the output 2 3 4 .
C. The program will print the output 4 5 6.
D. The program will report compile time error.
Answer» C. The program will print the output 4 5 6.
Discussion
78.

Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { int x; float y; public: void Function() { x = 4; y = 2.50; delete this; } void Display() { cout<< x << " " << y; } }; int main() { IndiaBix *pBix = new IndiaBix(); pBix->Function(); pBix->Function(); pBix->Display(); return 0; }

A. The program will print the output 4 2.5.
B. The program will print the output 4.
C. The program will report runtime error.
D. The program will report compile time error.
Answer» D. The program will report compile time error.
Discussion
79.

What will be the output of the following program? #include<iostream.h> class IndiaBix { static int count; public: static void First(void) { count = 10; } static void Second(int x) { count = count + x; } static void Display(void) { cout<< count << endl; } }; int IndiaBix::count = 0; int main() { IndiaBix :: First(); IndiaBix :: Second(5); IndiaBix :: Display(); return 0; }

A. 0
B. 5
C. 10
D. 15
E. The program will report compile time error.
Answer» E. The program will report compile time error.
Discussion
80.

What will be the output of the following program? #include<iostream.h> class BixBase { public: float x; }; class BixDerived : public BixBase { public: char ch; void Process() { ch = (int)((x=12.0)/3.0); } void Display() { cout<< (int)ch; } }; int main() { class BixDerived *objDev = new BixDerived; objDev->Process(); objDev->Display(); return 0; }

A. The program will print the output 4.
B. The program will print the ASCII value of 4.
C. The program will print the output 0.
D. The program will print the output garbage.
Answer» B. The program will print the ASCII value of 4.
Discussion
81.

Which of the following statement is correct about the program given below? #include<iostream.h> class BixBase { int x, y; public: BixBase(int xx = 10, int yy = 10) { x = xx; y = yy; } void Show() { cout<< x * y << endl; } }; class BixDerived : public BixBase { private: BixBase objBase; public: BixDerived(int xx, int yy) : BixBase(xx, yy) { objBase.Show(); } }; int main() { BixDerived objDev(10, 20); return 0; }

A. The program will print the output 100.
B. The program will print the output 200.
C. The program will print the output Garbage-value.
D. The program will report compile time error.
Answer» B. The program will print the output 200.
Discussion
82.

What will be the output of the following program? #include<iostream.h> struct MyData { public: int Addition(int a, int b = 10) { return (a *= b + 2); } float Addition(int a, float b); }; int main() { MyData data; cout<<data.Addition(1)<<" "; cout<<data.Addition(3, 4); return 0; }

A. 12 12
B. 12 18
C. 3 14
D. 18 12
E. Compilation fails.
Answer» C. 3 14
Discussion
83.

Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { static int x; public: static void SetData(int xx) { x = xx; } static void Display() { cout<< x ; } }; int IndiaBix::x = 0; int main() { IndiaBix::SetData(44); IndiaBix::Display(); return 0; }

A. The program will print the output 0.
B. The program will print the output 44.
C. The program will print the output Garbage.
D. The program will report compile time error.
Answer» C. The program will print the output Garbage.
Discussion
84.

What will be the output of the following program? #include<iostream.h> class BixTeam { int x, y; public: BixTeam(int xx) { x = ++xx; } void Display() { cout<< --x << " "; } }; int main() { BixTeam objBT(45); objBT.Display(); int *p = (int*)&objBT; *p = 23; objBT.Display(); return 0; }

A. 45 22
B. 46 22
C. 45 23
D. 46 23
Answer» B. 46 22
Discussion
85.

Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { static int x; public: static void SetData(int xx) { this->x = xx; } static void Display() { cout<< x ; } }; int IndiaBix::x = 0; int main() { IndiaBix::SetData(22); IndiaBix::Display(); return 0; }

A. The program will print the output 0.
B. The program will print the output 22.
C. The program will print the output Garbage.
D. The program will report compile time error.
Answer» E.
Discussion
86.

Which of the following statement is correct with respect to the use of friend keyword inside a class?

A. A private data member can be declared as a friend.
B. A class may be declared as a friend.
C. An object may be declared as a friend.
D. We can use friend keyword as a class name.
Answer» C. An object may be declared as a friend.
Discussion
87.

Which of the following keywords is used to control access to a class member?

A. Default
B. Break
C. Protected
D. Asm
Answer» D. Asm
Discussion
88.

Which of the following statement is correct about the program given below? #include<iostream.h> class Bix { int x; public: Bix(); void Show() const; ~Bix(){} }; Bix::Bix() { x = 5; } void Bix::Show() const { cout<< x; } int main() { Bix objB; objB.Show(); return 0; }

A. The program will print the output 5.
B. The program will print the output Garbage-value.
C. The program will report compile time error.
D. The program will report runtime error.
Answer» B. The program will print the output Garbage-value.
Discussion
89.

What will be the output of the following program? #include<iostream.h> int val = 0; class IndiaBix { public: IndiaBix() { cout<< ++val; } ~IndiaBix() { cout<< val--; } }; int main() { IndiaBix objBix1, objBix2, objBix3; { IndiaBix objBix4; } return 0; }

A. 1234
B. 4321
C. 12344321
D. 12341234
E. 43211234
Answer» D. 12341234
Discussion
90.

Which of the following statement is correct regarding destructor of base class?

A. Destructor of base class should always be static.
B. Destructor of base class should always be virtual.
C. Destructor of base class should not be virtual.
D. Destructor of base class should always be private.
Answer» C. Destructor of base class should not be virtual.
Discussion
91.

Which of the following two entities (reading from Left to Right) can be connected by the dot operator?

A. A class member and a class object.
B. A class object and a class.
C. A class and a member of that class.
D. A class object and a member of that class.
Answer» E.
Discussion
92.

What happens when we try to compile the class definition in following code snippet? class Birds {}; class Peacock : protected Birds {};

A. It will not compile because class body of Birds is not defined.
B. It will not compile because class body of Peacock is not defined.
C. It will not compile because a class cannot be protectedly inherited from other class.
D. It will compile succesfully.
Answer» E.
Discussion
93.

How can we make a class abstract?

A. By making all member functions constant.
B. By making at least one member function as pure virtual function.
C. By declaring it abstract using the static keyword.
D. By declaring it abstract using the virtual keyword.
Answer» C. By declaring it abstract using the static keyword.
Discussion
94.

Which of the following function prototype is perfectly acceptable?

A. <i class="cpp-code">int Function(int Tmp = Show());</i>
B. <i class="cpp-code">float Function(int Tmp = Show(int, float));</i>
C. Both A and B.
D. <i class="cpp-code">float = Show(int, float) Function(Tmp);</i>
Answer» B. <i class="cpp-code">float Function(int Tmp = Show(int, float));</i>
Discussion
95.

Which of the following statement is correct about the program given below? #include&lt;iostream.h&gt; int x, y; class BixTest { public: BixTest(int xx = 0, int yy = 0) { x = xx; y = yy; Display(); } void Display() { cout&lt;&lt; x &lt;&lt; " " &lt;&lt; y &lt;&lt; " "; } }; int main() { BixTest objBT(10, 20); int &amp;rx = x; int &amp;ry = y; ry = x; rx = y; cout&lt;&lt; rx--; return 0; }

A. The program will print the output 0 0 10.
B. The program will print the output 10 20 10.
C. The program will print the output 10 20 9.
D. It will result in a compile time error.
Answer» C. The program will print the output 10 20 9.
Discussion
96.

Which of the following statement is correct about the program given below? #include&lt;iostream.h&gt; class IndiaBix { int a, b, c; public: void SetValue(int x, int y ,int z) { a = x; b = y; c = z; } void Display() { cout&lt;&lt; a &lt;&lt; " " &lt;&lt; b &lt;&lt; " " &lt;&lt; c; } }; int main() { IndiaBix objBix; int x = 2; int &amp;y = x; y = 5; objBix.SetValue(x, ++y, x + y); objBix.Display(); return 0; }

A. The program will print the output 5 6 10.
B. The program will print the output 6 6 10.
C. The program will print the output 6 6 12.
D. It will result in a compile time error.
Answer» C. The program will print the output 6 6 12.
Discussion
97.

Which of the following statement is correct about the program given below? #include&lt;iostream.h&gt; int i, j; class IndiaBix { public: IndiaBix(int x = 0, int y = 0) { i = x; j = x; Display(); } void Display() { cout&lt;&lt; j &lt;&lt;" "; } }; int main() { IndiaBix objBix(10, 20); int &amp;s = i; int &amp;z = j; i++; cout&lt;&lt; s-- &lt;&lt; " " &lt;&lt; ++z; return 0; }

A. The program will print the output 0 11 21.
B. The program will print the output 10 11 11.
C. The program will print the output 10 11 21.
D. The program will print the output 10 11 12.
E. It will result in a compile time error.
Answer» C. The program will print the output 10 11 21.
Discussion
98.

What will be the output of the program given below? #include&lt;iostream.h&gt; class BixBase { int x; public: BixBase(int xx = 0) { x = xx; } void Display() { cout&lt;&lt; x ; } }; class BixDerived : public BixBase { int y; public: BixDerived(int yy = 0) { y = yy; } void Display() { cout&lt;&lt; y ; } }; int main() { BixBase objBase(10); BixBase &amp;objRef = objBase; BixDerived objDev(20); objRef = objDev; objDev.Display(); return 0; }

A. 0
B. 10
C. 20
D. Garbage-value
E. It will result in a compile-time/run-time error.
Answer» D. Garbage-value
Discussion
99.

Which of the following statement is correct about the program given below? #include&lt;iostream.h&gt; class IndiaBix { int x, y; public: IndiaBix(int xx = 0, int yy = 0) { x = xx; y = yy; } void Display() { cout&lt;&lt; x &lt;&lt; " " &lt;&lt; y; } IndiaBix operator +(IndiaBix z) { IndiaBix objTemp; objTemp.x = x + z.x; objTemp.y = y + z.y; return objTemp; } }; int main() { IndiaBix objBix1(90, 80); IndiaBix objBix2(10, 20); IndiaBix objSum; IndiaBix &amp;objRef = objSum; objRef = objBix1 + objBix2; objRef.Display(); return 0; }

A. It will result in a runtime error.
B. It will result in a compile time error.
C. The program will print the output 9 4.
D. The program will print the output 100 100.
Answer» E.
Discussion
100.

Which of the following statement is correct about the program given below? #include&lt;iostream.h&gt; class Bix { int x, y; public: Bix(int x, int y) { this-&gt;x = x; this-&gt;y = y; } void Display() { cout&lt;&lt; x &lt;&lt; " " &lt;&lt; y; } }; int main() { int x = 50; int &amp;y = x ; Bix b(y, x); return 0; }

A. The program will print the output 50 50.
B. The program will print the two garbage values.
C. It will result in a compile time error.
D. The program will print nothing.
Answer» E.
Discussion