C Language - Control Statements

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13.

Which one of the following sentences is true?
A. he body of a while loop is executed at least once B. The body of a do...while loop is executed at least once
C. The body of a do...while loop is executed zero or more times D. A for loop can never be used in place of a while loop



14.

Which one of the following will set the value of y to 5 if x has the value 3, but not otherwise?

A. if (x = 3) y = 5; B. if x == 3 (y = 5);
C. if (x == 3); y = 5; D. if (x == 3) y = 5;



15.

#include

void main()
{
int num=20;
while(num>10)
{
printf("Hello");
printf(" shalu ");
}
}
A. Hello B. shalu
C. Hello shalu D. error




16.

#include

void main()
{
while('A')
printf("Hello");
}
A. A B. Hello
C. A Hello D. error



17.

#include

int main(){
while(){
printf("Hello shalu");
}
return 0;
}
A. Hello shalu B. 0
C. Compilation error D. 11



18.

#include

int main(){
int x=3,y=2;
while(x+y-1){
printf("%d ",x--+y);
}
return 0;
}
A. 5 5 4 4 B. 5 5 4 3
C. 5 4 4 3 D. 5 4 3 2



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