Printf MCQ 22 : sizeof (octal + hexadecimal + integer )

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Printf Multiple Choice Questions 21  : Sum of three Different Numbers

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

#include<stdio.h>
void main()
{
int num1 = 0x20 + 020 + 20;
printf("%d",sizeof(num1));
getch();
}

Options :

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

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Output :

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How and Why ?

1. Sum of Three numbers belonging to Different number system is assigned to Variable 'num1' which is of integer Type
2. So result is Typecasted into Integer
3. Size of Integer is 2 bytes

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Tags / Keywords : | printf : MCQ

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