Made easy theory, Self doubt in pointers

Question

#include<stdio.h>
int main() {
 char *p1="Graduate";
 char *p2=p1;
 printf("%c",*++p2);
 printf("%d",sizeof(p2));
  return 0;
}

 

Comments

Can you tell me your doubt?

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Ans will be d) https://ideone.com/cY6X0a

@Kushagra is GATE exam registration started? 

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YES. I have not received the OTP yet :|

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Bro How the value 8 is decided? This is my doubt.

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It is the size of a pointer. It is  fixed in an architecture.

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yes, pointer is of 4B or 8B depend on machine.