MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Makemytrip knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the complexity of this algorithm? Algorithm Sum (a,n) { s := 0.0; for i := 1 to n do s := s + a [i]; return s; |
| A. | log2n |
| B. | O(n) |
| C. | O(n log n) |
| D. | O(kn) |
| Answer» C. O(n log n) | |
| 2. |
Assume that the Point class is existing with the following snippet in the header file Point.h: class Point { Point(); Pont(int, int); int GetX(); int GetY(); void SetX(int); void SetY(int); }; If the objects of Point are created as Point oPointOne, oPointTwo(2,3); Which of the following statements are correct? (i)The statement oPointOne.SetX(20); Will compile and run successfully. (ii) The statement oPointOne.SetX(20).SetY(30); Will compile successfully but will give a run time error. |
| A. | Only (i) is correct |
| B. | Both (i) and (ii) are correct |
| C. | Both (i) and (ii) are incorrect |
| D. | Only (ii) is correct |
| Answer» B. Both (i) and (ii) are correct | |
| 3. |
What will be output of following program? #include int main() { int huge *a =(int huge *)0x59990005; int huge *b =(int huge *)0x59980015; if(a == b) printf("power of pointer"); else printf("power of c"); return 0; } |
| A. | power of pointer |
| B. | power of c |
| C. | power of c power of c |
| D. | Compilation error |
| Answer» B. power of c | |
| 4. |
Predict the output of following C++ program. #include using namespace std; class abc { static int x; public: abc() { x++;} static int getX() {return x;} }; int Test::x = 0; int main() { cout << abc::getX() << " "; abc t[5]; cout << abc::getX(); } |
| A. | 55 |
| B. | 55 |
| C. | 05 |
| D. | 50 |
| Answer» D. 50 | |
| 5. |
Which of the following statements is true after execution of the program? int a[10],I,*p; a[0] = 1; a[1] = 2; p = a; (*p)++; |
| A. | a[0] = 2 |
| B. | a[1] = 3 |
| C. | a[1] = 1 |
| D. | a[0] = 3 |
| Answer» B. a[1] = 3 | |
| 6. |
Shantanu wants to make a program to print the sum of the first 7 multiples of 6. He writes the following program: integer i = 0 // statement 1 integer sum // statement 2 while ( i <= 42 ) // statement 3 { sum = sum + i // statement 4 i = i + 6; } print sum // statement 6 Does this program have an error? If yes, which one statement will you modify to correct the program? |
| A. | Statement 1 |
| B. | Statement 2 |
| C. | Statement 3 |
| D. | Statement 4 |
| Answer» C. Statement 3 | |
| 7. |
What is the complexity of this algorithm? Algorithm Sum (a,n) { s := 0.0; for i := 1 to n do s := s + a [i]; return s; |
| A. | log2n |
| B. | O(n) |
| C. | O(n log n) |
| D. | O(kn) |
| Answer» C. O(n log n) | |
| 8. |
Assume that the Point class is existing with the following snippet in the header file Point.h: class Point { Point(); Pont(int, int); int GetX(); int GetY(); void SetX(int); void SetY(int); }; If the objects of Point are created as Point oPointOne, oPointTwo(2,3); Which of the following statements are correct? (i)The statement oPointOne.SetX(20); Will compile and run successfully. (ii) The statement oPointOne.SetX(20).SetY(30); Will compile successfully but will give a run time error. |
| A. | Only (i) is correct |
| B. | Both (i) and (ii) are correct |
| C. | Both (i) and (ii) are incorrect |
| D. | Only (ii) is correct |
| Answer» B. Both (i) and (ii) are correct | |
| 9. |
What will be output of following program? #include int main() { int huge *a =(int huge *)0x59990005; int huge *b =(int huge *)0x59980015; if(a == b) printf("power of pointer"); else printf("power of c"); return 0; } |
| A. | power of pointer |
| B. | power of c |
| C. | power of c power of c |
| D. | Compilation error |
| Answer» B. power of c | |
| 10. |
Predict the output of following C++ program. #include using namespace std; class abc { static int x; public: abc() { x++;} static int getX() {return x;} }; int Test::x = 0; int main() { cout << abc::getX() << " "; abc t[5]; cout << abc::getX(); } |
| A. | 55 |
| B. | 55 |
| C. | 05 |
| D. | 50 |
| Answer» D. 50 | |
| 11. |
Which of the following statements is true after execution of the program? int a[10],I,*p; a[0] = 1; a[1] = 2; p = a; (*p)++; |
| A. | a[0] = 2 |
| B. | a[1] = 3 |
| C. | a[1] = 1 |
| D. | a[0] = 3 |
| Answer» B. a[1] = 3 | |
| 12. |
Shantanu wants to make a program to print the sum of the first 7 multiples of 6. He writes the following program: integer i = 0 // statement 1 integer sum // statement 2 while ( i <= 42 ) // statement 3 { sum = sum + i // statement 4 i = i + 6; } print sum // statement 6 Does this program have an error? If yes, which one statement will you modify to correct the program? |
| A. | Statement 1 |
| B. | Statement 2 |
| C. | Statement 3 |
| D. | Statement 4 |
| Answer» C. Statement 3 | |