C | Loops & Control Structure | Question 15

In the following program, X represents the Data Type of the variable check.

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#include <stdio.h>
int main()
{
    X check;
    switch (check)
    {
        // Some case labels
    }
    return 0;
} 

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Which of the following cannot represent X?

(A) int

(B) char

(C) enum

(D) float



 Answer: (D) 

Explanation: A switch expression can be int, char and enum. A float variable/expression cannot be used inside switch.

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