Printf MCQ 21 : sizeof (Float + int)

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Printf Multiple Choice Questions 21  : sizeof(Float + int)

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Predict the Output of the Following Program if Given Things are - 

#include<stdio.h>
void main()
{
int num1 = 10;
float num2 = 20;
printf("%d",sizeof(num1+num2));
getch();
}

Options :

1. 2
2. 4
3. 30
4. Garbage

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Output :

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How and Why ?

1. Integer Can be Converted into Float i.e 20 can be written as 20.0
2. Here Integer is Converted into Float
3. Result of num1+num2 is Float
4. Size of Float is 4 bytes

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Tags / Keywords : | printf : MCQ

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