What is sizeof(a)?
int *a[10];
int *(a)[10];
int **(a)[10];
int *a(int b,char ch);

• 20 bytes
  as pointer contains address which have datatype int , and int takes 2 bytes there are total 10 pointers so 10*2=20 bytes is the size of a
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• 4 - byte
  since pointers have 4 byte memory
  
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• The size of the pointer depends on the compiler u are using , so assuming that size of pointer is 8 byte.
  Answer is 80 bytes. as there are 10 pointers for ten fields of array .
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• pointer has only 4 byte for all types of data.
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• 
  pointer has only 4 bytes so 40;
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