Explore topic-wise MCQs in General Awareness.

This section includes 1698 Mcqs, each offering curated multiple-choice questions to sharpen your General Awareness knowledge and support exam preparation. Choose a topic below to get started.

951.

What will be the output of the following PHP code ? <?php for ($x = -1; $x < 10;--$x) { print $x; } ?>

A. 123456789101112
B. 12345678910
C. 1234567891011
D. Infinite loop
Answer» E.
Discussion
952.

What will be the output of the following PHP code ? <?php $x; for ($x = -3; $x < -5; ++$x) { print ++$x; } ?>

A. -3-4-5
B. -3-4
C. Infinite loop
D. No output
Answer» E.
Discussion
953.

What will be the output of the following PHP code ? <?php for ($i++; $i == 1; $i = 2) print "In for loop "; print "After loop n"; ?>

A. In for loop
B. After for loop
C. In for loopAfter for loop
D. Infinite loop
Answer» D. Infinite loop
Discussion
954.

What will be the output of the following PHP code ? <?php for (1; $i == 1; $i = 2) print "In for loop "; print "After loop n"; ?>

A. In for loop
B. After for loop
C. In for loopAfter for loop
D. Infinite loop
Answer» C. In for loopAfter for loop
Discussion
955.

What will be the output of the following PHP code ? <?php for ($i == 2; ++$i == $i; ++$i) print "In for loop "; print "After loop n"; ?>

A. In for loopIn for loopIn for loopIn for loop infinitely
B. After for loopAfter for loopAfter for loop ..infinitely
C. In for loopAfter for loopIn for loopAfter for loopIn for loopAfter for loop ..infinitely
D. After for loop
Answer» B. After for loopAfter for loopAfter for loop ..infinitely
Discussion
956.

What will be the output of the following PHP code ? <?php for ($x = 1; $x < 10; $x++) for ($y = 1; $y < 5; $y++) print "Hello"; ?>

A. Hello .36 times
B. Hello .45 times
C. Hello .50 times
D. Hello .40 times
Answer» B. Hello .45 times
Discussion
957.

What will be the output of the following PHP code ? <?php switch($b) { case 2: print "hello"; break; case 1: print "hi"; break; } ?>

A. Hello
B. Hi
C. No output
D. Error
Answer» D. Error
Discussion
958.

What will be the output of the following PHP code ? <?php for ($count = 1; $count != 20;$count++) { print $count; $count++; } ?>

A. Infinite
B. 123 .20
C. 1357 19
D. 13579 21
Answer» B. 123 .20
Discussion
959.

What will be the output of the following PHP code ? <?php switch($b) { case 2: print "hello"; break; case b: print "hi"; break; } ?>

A. Hello
B. Hi
C. No output
D. Error
Answer» D. Error
Discussion
960.

What will be the output of the following PHP code ? <?php while() { print "hi"; } ?>

A. Infinite loop
B. Hi
C. No output
D. Error
Answer» E.
Discussion
961.

What will be the output of the following PHP code ? <?php do { print "hi"; } while(0); print "hello"; ?>

A. Infinite loop
B. Hihello
C. Hello
D. Error
Answer» C. Hello
Discussion
962.

What will be the output of the following PHP code ? <?php $i = 0 while ($i < 3) { $i++; } print $i; ?>

A. 2
B. 3
C. 0
D. 1
Answer» C. 0
Discussion
963.

What will be the output of the following PHP code ? <?php $i = 0 do { $i++; } while ($i < 3); print $i; ?>

A. 2
B. 3
C. 0
D. 1
Answer» C. 0
Discussion
964.

What will be the output of the following PHP code ? <?php $i = 0 while ($i++) { print $i; } print $i; ?>

A. 0
B. Infinite loop
C. 01
D. 1
Answer» E.
Discussion
965.

What will be the output of the following PHP code ? <?php $i = ""; while($i) { print "hi"; } print "hello"; ?>

A. Hello
B. Infinite loop
C. Hihello
D. Error
Answer» B. Infinite loop
Discussion
966.

What will be the output of the following PHP code ? <?php $i = 0; while($i = 10) { print "hi"; } print "hello"; ?>

A. Hello
B. Infinite loop
C. Hihello
D. Error
Answer» C. Hihello
Discussion
967.

What will be the output of the following PHP code ? <?php $i = ""; while ($i) { print "hi"; } while($i < 8) $i++; print "hello"; ?>

A. Hi is printed 8 times, hello 7 times and then hi 2 times
B. Hi is printed 10 times, hello 7 times
C. Hi is printed once, hello 7 times
D. Hi is printed once, hello 7 times and then hi 2 times
Answer» E.
Discussion
968.

What will be the output of the following PHP code ? <?php $i = 5; while (--$i > 0 && ++$i) { print $i; } ?>

A. 54321111111 .infinitely
B. 555555555 infinitely
C. 54321
D. 5
Answer» B. 555555555 infinitely
Discussion
969.

What will be the output of the following PHP code ? <?php for ($count = 1; $count < 20; $count++); print $count; ?>

A. 20
B. 19
C. 12345678910 .19
D. 12345678910 .1920
Answer» B. 19
Discussion
970.

What will be the output of the following PHP code ? <?php for ($i = 0; $i < 5; $i++) { for(; $i < 5; $i++) print"i"; } ?>

A. Iiiii
B. Infinite loop
C. Iiiiiiiiiiiiiiiiiiiiiiiii
D. No output
Answer» B. Infinite loop
Discussion
971.

What will be the output of the following PHP code ? <?php $a = "2"; switch ($a) { case 1: print "hi"; case 2: print "hello"; break; default: print "hi1"; } ?>

A. Hihellohi1
B. Hello
C. Hihi1
D. Hi1
Answer» C. Hihi1
Discussion
972.

What will be the output of the following PHP code ? <?php $a = "1"; switch($a) { case 1: break; print "hi"; case 2: print "hello"; break; default: print "hi1"; } ?>

A. Hihellohi1
B. No output
C. Hihi1
D. Hi1
Answer» C. Hihi1
Discussion
973.

What will be the output of the following PHP code ? <?php $a = "1"; $a = 1; $b = 1; switch($a) { case $a * $b: print "hi"; break; case $a / $b: print "hello"; break; default: print "hi1"; } ?>

A. Hihellohi1
B. Hi
C. Hihello
D. Hi1
Answer» C. Hihello
Discussion
974.

What will be the output of the following PHP code ? <?php $a = 97; switch($a) { case "a": print "hi"; break; case 97: print "hello"; break; default: print "hi1"; } ?>

A. Hihellohi1
B. Hi
C. Hihello
D. Hello
Answer» E.
Discussion
975.

What will be the output of the following PHP code ? <?php $b = 1; switch($b) { case 1.0: print "hi"; break; case 1: print "hello"; break; default: print "hi1"; } ?>

A. Hihellohi1
B. Hi
C. Hihello
D. Hello
Answer» B. Hi
Discussion
976.

What will be the output of the following PHP code ? <?php const $b = 1; switch($b) { case 1: print "hi"; break; case 1: print "hello"; break; default: print "hi1"; } ?>

A. Error
B. Hi
C. Hihello
D. Hello
Answer» B. Hi
Discussion
977.

What will be the output of the following PHP code ? <?php $b = 1; switch(print $b) { case 2: print "hello"; break; case 1: print "hi"; break; default: print "hi1"; } ?>

A. 1hello
B. 1hi
C. 1hi1
D. Error
Answer» C. 1hi1
Discussion
978.

What will be the output of the following PHP code ? <?php $a = array("hi", "hello", "bye"); foreach ($a as $value) { if (count($a) == 2) print $value; } ?>

A. Hihellobye
B. Infinite loop
C. Hihello
D. No output
Answer» E.
Discussion
979.

What will be the output of the following PHP code ? <?php $a = array("hi", "hello", "bye"); for (;count($a) < 5;) { if (count($a) == 3) print $a; } ?>

A. ArrayArrayArrayArrayArrayArray .infinitely
B. ( hi , hello , bye )( hi , hello , bye )( hi , hello , bye )( hi , hello , bye ) infinitely
C. hihellobyehihellobyehihellobyehihellobyehihellobyehihellobye ..infinitely
D. No output
Answer» B. ( hi , hello , bye )( hi , hello , bye )( hi , hello , bye )( hi , hello , bye ) infinitely
Discussion
980.

What will be the output of the following PHP code ? <?php $a = 10; $b = 4; $c = fun(10,4); function fun($a,$b) { $b = 3; return $a - $b + $b - $a; } echo $a; echo $b; echo $c; ?>

A. 104
B. 410
C. 1400
D. 4100
Answer» D. 4100
Discussion
981.

What will be the output of the following PHP code ? <?php $a = "$winner"; $b = "/$looser"; echo $a,$b; ?>

A. $winner/$looser
B. /$looser
C. /
D. $looser
Answer» D. $looser
Discussion
982.

What will be the output of the following PHP code ? <?php $x = 5; $y = 10; function fun() { $GLOBALS['y'] = $GLOBALS['x'] + $GLOBALS['y']; } fun(); echo $y; ?>

A. 5
B. 10
C. 15
D. Error
Answer» D. Error
Discussion
983.

What will be the output of the following PHP code ? <?php $x = 5; $y = 10; function fun() { $y = $GLOBALS['x'] + $GLOBALS['y']; } fun(); echo $y; ?>

A. 5
B. 10
C. 15
D. Error
Answer» C. 15
Discussion
984.

What will be the output of the following PHP code ? <?php function fun() { $x = 0; echo $x; $x++; } fun(); fun(); fun(); ?>

A. 012
B. 123
C. 000
D. 111
Answer» D. 111
Discussion
985.

What will be the output of the following PHP code ? <?php function fun() { static $x = 0; echo $x; $x++; } fun(); fun(); fun(); ?>

A. 012
B. 123
C. 111
D. Error
Answer» B. 123
Discussion
986.

What will be the output of the following PHP code ? <?php static $x = 0; function fun() { echo $x; $x++; } fun(); fun(); fun(); ?>

A. 012
B. 123
C. Nothing
D. Error
Answer» D. Error
Discussion
987.

What will be the output of the following PHP code ? <?php $x=0; function fun() { echo $GLOBALS['x']; $GLOBALS['x']++; } fun(); fun(); fun(); ?>

A. 000
B. 012
C. 123
D. Error
Answer» C. 123
Discussion
988.

Which constructor will be called from the object created in the code below? class A { int i; A() { i=0; cout<<i; } A(int x=0) { i=x; cout<<I; } }; A obj1;

A. Default constructor
B. Parameterized constructor
C. Compile time error
D. Run time error
Answer» D. Run time error
Discussion
989.

Which constructor will be called from the object obj2 in the following program? class A { int i; A() { i=0; } A(int x) { i=x+1; } A(int y, int x) { i=x+y; } }; A obj1(10); A obj2(10,20); A obj3;

A. A(int x)
B. A(int y)
C. A(int y, int x)
D. A(int y, int x)
Answer» D. A(int y, int x)
Discussion
990.

What is we only create an object but don t call any constructor for it in java?

A. Implicit constructor will be called
B. Object is initialized to some null values
C. Object is not created
D. Object is created but points to null
Answer» E.
Discussion
991.

Which of the conditional statements is/are supported by PHP?i) if statementsii) if-else statementsiii) if-elseif statementsiv) switch statements

A. Only i)
B. I), ii) and iv)
C. Ii), iii) and iv)
D. All of the mentioned.
Answer» E.
Discussion
992.

Which of the looping statements is/are supported by PHP?i) for loopii) while loopiii) do-while loopiv) foreach loop

A. I) and ii)
B. I), ii) and iii)
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
993.

Choose the correct sequence of destructors being called for the following code: class A{ }; class B{ }; class C: public A, public B{ };

A. ~A(), ~B(), ~C()
B. ~B(), ~C(), ~A()
C. ~A(), ~C(), ~B()
D. ~C(), ~B(), ~A()
Answer» E.
Discussion
994.

Which class destructor will be called first, when following code go out of scope? class A{ }; class B{ }; class C: public B{ }; A a; B b; C c;

A. ~A()
B. ~B()
C. ~C()
D. ~B() and ~C()
Answer» D. ~B() and ~C()
Discussion
995.

Dot . operator in strings are called as

A. Assignment operator
B. Concatenation operator
C. Concatenating assignment operator
D. Literal operator
Answer» C. Concatenating assignment operator
Discussion
996.

Which of the following is/are not an exception? i) BadFunctionCallException ii) BadMethodCallException iii) LogicException iv) DomainException

A. All of the mentioned
B. Only iv)
C. Iii) and iv)
D. None of the mentioned
Answer» E.
Discussion
997.

Which of the following is/are an external data? i) Cookies ii) Input data from a form iii) Server Variables iv) Web services data

A. Only ii)
B. Ii) and iii)
C. None of the mentioned
D. All of the mentioned
Answer» E.
Discussion
998.

Which of the following is/are an exception? i) OutOfBoundException ii) OutOfRangeException iii) OverflowException iv) UnderflowException

A. All of the mentioned
B. I) and iii)
C. I) and ii)
D. None of the mentioned
Answer» B. I) and iii)
Discussion
999.

What will be the output of the following PHP code? <?php $num = "123"; if (!filter_var($num, FILTER_VALIDATE_INT)) echo("Integer is not valid"); else echo("Integer is valid"); ?>

A. No output is returned
B. Integer is not valid
C. Integer is valid
D. Error
Answer» D. Error
Discussion
1000.

What will be the output of the following PHP code? <?php $var=300; $int_options = array("options"=>array ("min_range"=>0, "max_range"=>256)); if (!filter_var($var, FILTER_VALIDATE_INT, $int_options)) echo("Integer is not valid"); else echo("Integer is valid"); ?>

A. No output is returned
B. Integer is not valid
C. Integer is valid
D. Error
Answer» C. Integer is valid
Discussion