Question

How many whole no. are there between 81and101

Answer 1

THERE ARE 21 WHOLE NUMBERS INCLUDING 81 AND 101 and if not included there are 19 whole numbers

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Answer 2

To find out the number of whole numbers between a and b (a<b) , formula is b-a-1. And no. of whole numbers from a to b (a<b), formula is b-a+1.

From question,

No. of whole numbers between 81 and 101= 101-81-1

= 19

Hope you have understood.