1. 

What will be the output of the program? 

#include<stdio.h>
int main()
{
    int X=40;
    {
        int X=20;
        printf("%d ", X);
    }
    printf("%d\n", X);
    return 0;
}


A. 40 40
B. 20 40
C. 20
D. Error

Answer: Option B

Explanation:

In case of a conflict between a local variable and global variable, the local variable gets priority.