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Declarations and Initializations - Programming

Q1:

What is the output of the program 
#include<stdio.h>
int main()
{
    int x = 10, y = 20, z = 5, i;
    i = x < y < z;
    printf('%d\n', i);
    return 0;
}

A 0

B 1

C Error

D None of these

ANS:A - 0

Since x < y turns to be TRUE it is replaced by 1. Then 1 < z is compared and to be TRUE. The 1 is assigned to i.