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Q1:

What will be the output of the program? 
#include<stdio.h>
int main()
{
    int a = 500, b = 100, c;
    if(!a >= 400)
        b = 300;
    c = 200;
    printf('b = %d c = %d\n', b, c);
    return 0;
}

A b = 300 c = 200

B b = 100 c = garbage

C b = 300 c = garbage

D b = 100 c = 200

ANS:A - b = 300 c = 200

Initially variables a = 500, b = 100 and c is not assigned. Step 1: if(!a >= 400)
Step 2: if(!500 >= 400)
Step 3: if(0 >= 400)
Step 4: if(FALSE) Hence the if condition is failed.
Step 5: So, variable c is assigned to a value '200'.
Step 6: printf('b = %d c = %d\n', b, c); It prints value of b and c.
Hence the output is 'b = 100 c = 200'



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