1. What will be the output of the following code?
for(int i = 1; i <= 3; i++)
cout << i << " ";
(A) 1 2 3
(B) 0 1 2
(C) 2 3 4
(D) Error
2. What is the output of this code?
int i = 1;
while(i <= 3) {
cout << i;
i++;
}
(A) Error
(B) 0 1 2
(C) Infinite loop
(D) 1 2 3
3. What will the following code display?
int i = 3;
do {
cout << i;
i–;
} while(i > 0);
(A) 3 2 1
(B) 2 1 0
(C) 1 2 3
(D) Error
4. What will happen when this code runs?
int i = 1;
while(i <= 5);
{
cout << i;
i++;
}
(A) 1 2 3 4 5
(B) Infinite loop
(C) Prints 1 once
(D) Error
5. What is the output?
for(int i = 1; i < 5; i += 2)
cout << i;
(A) 1 3
(B) 1 2 3 4
(C) 2 4
(D) 0 1 2 3
6. What will this code print?
int i = 0;
while(i < 3) {
cout << i;
i++;
}
(A) 0 1 2
(B) 1 2 3
(C) 1 2
(D) Error
7. What is the output?
int i = 1;
do {
cout << i;
i += 2;
} while(i < 6);
(A) 1 2 3 4 5
(B) 1 3
(C) 1 3 5
(D) Error
8. Find the output:
for(int i = 0; i < 5; i++)
if(i % 2 == 0)
cout << i;
(A) 0 1 2 3 4
(B) 1 3
(C) 0 2 4
(D) 2 4
9. What happens in this loop?
int i = 0;
while(i < 0)
cout << "Hello";
(A) Prints Hello infinitely
(B) Prints Hello once
(C) No output
(D) Error
10. What will the following program print?
int i = 1;
do {
cout << i;
i–;
} while(i > 0);
(A) 1
(B) 1 0
(C) 1 −1
(D) Infinite loop
11. What will be displayed?
for(int i = 5; i >= 1; i–)
cout << i;
(A) 1 2 3 4 5
(B) 5 4 3 2 1
(C) 5 3 1
(D) Error
12. What is the output?
int i = 1;
while(i <= 3) {
cout << i;
i = i + 2;
}
(A) Infinite loop
(B) 1 2 3
(C) 2 3
(D) 1 3
13. What will be printed?
for(int i = 0; i < 3; i++)
for(int j = 0; j < 2; j++)
cout << i << j << " ";
(A) 00 01 10 11 20 21
(B) 00 10 20 01 11 21
(C) 01 11 21
(D) Error
14. Output of the code below:
int i = 1;
do {
cout << "Hi";
i++;
} while(i < 1);
(A) Hi
(B) No output
(C) Infinite loop
(D) Error
15. What is the output?
int i = 0;
while(i != 5) {
cout << i;
i++;
}
(A) 0 1 2 3 4
(B) 1 2 3 4 5
(C) 0 1 2 3 4 5
(D) Error
16. What happens?
for(int i = 1; i <= 3; i++);
cout << i;
(A) Prints 1 2 3
(B) Error: i undeclared
(C) Infinite loop
(D) Prints 3
17. Output of the loop:
int i = 1;
do {
cout << i;
i += 3;
} while(i < 10);
(A) 1 4 7 10
(B) 1 3 5 7 9
(C) 1 4 7
(D) Error
18. What is the result?
int i = 5;
while(–i > 0)
cout << i;
(A) 5 4 3 2 1
(B) 4 3 2 1
(C) 3 2 1
(D) Infinite loop
19. What will the following code do?
for(int i = 1; i <= 5; i++)
if(i == 3)
break;
cout << i;
(A) 1 2
(B) 3
(C) 1
(D) Error
20. What is the output?
int i = 0;
while(i < 5) {
if(i == 3) break;
cout << i;
i++;
}
(A) 0 1 2
(B) 0 1 2 3
(C) 1 2 3
(D) Error
21. What will print?
for(int i = 1; i <= 5; i++) {
if(i == 2) continue;
cout << i;
}
(A) 1 2 3 4 5
(B) 1 3 4 5
(C) 2 3 4 5
(D) 1 2
22. What will be printed?
int i = 0;
do {
i++;
if(i == 2) continue;
cout << i;
} while(i < 4);
(A) 1 3 4
(B) 1 2 3
(C) 1 3
(D) Error
23. What happens?
int i = 1;
while(true) {
cout << i;
if(i == 3) break;
i++;
}
(A) 3
(B) Infinite loop
(C) Error
(D) 1 2 3
24. What is the output?
for(int i = 2; i <= 6; i += 2)
cout << i;
(A) 2 4 6
(B) 2 3 4 5 6
(C) 2 4
(D) 4 6
25. What will this code print?
int i = 5;
while(i– > 0)
cout << i;
(A) 5 4 3 2 1 0
(B) 4 3 2 1 0
(C) 4 3 2 1
(D) Infinite loop
26. Output of the following:
for(int i = 0; i < 3; i++) {
for(int j = 0; j < 2; j++)
cout << j;
}
(A) 010101
(B) 012012
(C) 0102
(D) Error
27. What will print?
int i = 1;
while(i <= 5)
cout << i++;
(A) Infinite
(B) 0 1 2 3 4
(C) 1 2 3 4 5
(D) Error
28. Output of this code:
int i = 10;
do {
cout << i;
i -= 4;
} while(i > 0);
(A) 10 6 2
(B) 10 5 0
(C) 10 6 2 -2
(D) Error
29. What happens in this loop?
for(int i = 1; i <= 3; i++)
for(int j = 1; j <= i; j++)
cout << "*";
(A) ***
(B) * ** ***
(C) * * *
(D) Error
30. What will be printed?
int i = 1;
do {
cout << i;
i++;
} while(i <= 0);
(A) 1
(B) 1 2
(C) 0
(D) No output
31. What is the result?
for(int i = 1; i <= 10; i++)
if(i % 2 == 0) cout << i;
(A) 1 2 3 4
(B) 1 3 5 7 9
(C) 0 2 4 6 8
(D) 2 4 6 8 10
32. What will this code output?
int i = 0;
while(i++ < 3)
cout << i;
(A) 0 1 2
(B) 1 2 3
(C) 1 2
(D) Error
33. What is the output?
int i = 3;
while(–i)
cout << i;
(A) 3 2 1
(B) 2 1 0
(C) 2 1
(D) Infinite loop
34. Find the output:
int i = 2;
do {
cout << i;
i = i + 2;
} while(i <= 8);
(A) 2 4 6 8
(B) 2 4 6
(C) 4 6 8
(D) 2 4 6 8 10
35. What is the result of this program?
int i = 1;
while(i <= 5) {
cout << i;
i += 2;
}
(A) 1 3 5
(B) 1 2 3 4 5
(C) 2 4 6
(D) Infinite loop
36. What will be the output of the following code?
int x = 2;
switch(x) {
case 1: cout << "One"; break;
case 2: cout << "Two"; break;
case 3: cout << "Three"; break;
}
(A) One
(B) Two
(C) Three
(D) Error
37. What will the following program print?
int num = 5;
switch(num) {
case 1: cout << "A"; break;
case 5: cout << "B"; break;
default: cout << "C";
}
(A) A
(B) C
(C) B
(D) Error
38. What will be printed?
int x = 10;
switch(x) {
case 5: cout << "Five"; break;
case 10: cout << "Ten"; break;
default: cout << "None";
}
(A) Five
(B) Ten
(C) None
(D) Error
39. What happens when the code runs?
int x = 3;
switch(x) {
case 1: cout << "A";
case 2: cout << "B";
case 3: cout << "C";
}
(A) C
(B) ABC
(C) BC
(D) C followed by nothing
40. What will this code output?
int val = 2;
switch(val) {
case 1: cout << "X"; break;
case 2: cout << "Y";
case 3: cout << "Z"; break;
default: cout << "W";
}
(A) Y
(B) YZ
(C) YZW
(D) Error
41. Identify the output:
int x = 4;
switch(x) {
case 1: cout << "A"; break;
case 2: cout << "B"; break;
default: cout << "C";
}
(A) A
(B) B
(C) C
(D) Error
42. Which statement is true about the following code?
int x = 5;
switch(x) {
case 5: cout << "Hello";
case 6: cout << "World";
}
(A) HelloWorld
(B) Hello
(C) World
(D) Error
43. What will be printed?
int a = 1;
switch(a + 1) {
case 1: cout << "One"; break;
case 2: cout << "Two"; break;
default: cout << "Other";
}
(A) One
(B) Two
(C) Other
(D) Error
44. What is the output?
int n = 0;
switch(n) {
case 0: cout << "Zero"; break;
case 1: cout << "One"; break;
default: cout << "Other";
}
(A) Zero
(B) One
(C) Other
(D) Error
45. What will happen when this code executes?
char ch = 'B';
switch(ch) {
case 'A': cout << "Apple"; break;
case 'B': cout << "Banana"; break;
default: cout << "Other";
}
(A) Apple
(B) Error
(C) Other
(D) Banana
46. What will the following output?
int n = 2;
switch(n * 2) {
case 2: cout << "Two"; break;
case 4: cout << "Four"; break;
default: cout << "None";
}
(A) Two
(B) Four
(C) None
(D) Error
47. What happens in this case?
int n = 1;
switch(n) {
case 1:
case 2: cout << "Match"; break;
default: cout << "No match";
}
(A) Match
(B) No match
(C) Error
(D) Nothing
48. Identify the error in this code:
float x = 1.5;
switch(x) {
case 1: cout << "One"; break;
case 2: cout << "Two"; break;
}
(A) switch expression must be integer or enum type
(B) Missing default
(C) Missing break
(D) No error
49. What will be printed?
int num = 7;
switch(num) {
case 5: cout << "Five"; break;
case 7: cout << "Seven"; break;
default: cout << "None";
}
(A) Five
(B) Seven
(C) None
(D) Error
50. What will this code produce?
int val = 9;
switch(val) {
case 10: cout << "Ten"; break;
case 11: cout << "Eleven";
default: cout << "Default";
}
(A) Ten
(B) Eleven
(C) Default
(D) ElevenDefault
51. What is the output of the following?
int n = 3;
switch(n) {
case 1: cout << "One";
case 2: cout << "Two";
case 3: cout << "Three";
default: cout << "Done";
}
(A) ThreeDone
(B) Done
(C) OneTwoThree
(D) Three only
52. What will happen here?
int x = 10;
switch(x) {
case 5: cout << "Five";
case 10: cout << "Ten"; break;
case 15: cout << "Fifteen";
}
(A) Ten
(B) TenFifteen
(C) FiveTen
(D) Error
53. What is the output?
int x = 1;
switch(x) {
case 0: cout << "Zero"; break;
case 1: cout << "One";
default: cout << "End";
}
(A) OneEnd
(B) One
(C) End
(D) Error
54. What happens when this code runs?
int x = 2;
switch(x) {
case 1: cout << "Case1";
case 2: cout << "Case2";
case 3: cout << "Case3";
default: cout << "Default";
}
(A) Default
(B) Case2
(C) Case3Default
(D) Case2Case3Default
55. What will be printed?
int a = 4;
switch(a) {
case 2: cout << "Two"; break;
case 4: cout << "Four"; break;
case 6: cout << "Six"; break;
default: cout << "Other";
}
(A) Two
(B) Four
(C) Six
(D) Other