Question

how many whole numbers between 11 to 21​

Answer 1

Answer:

Whole Numbers between 11 and 21 are :-) 9

Step-by-step explanation:

21-(11)-1 = 9

Here we are not including 11 and 21.........

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Answer 2

Given :  whole numbers between 11 to 21​

To Find : How many are they

Solution:

whole numbers  are non negative integers

Whole numbers starts from Zero

whole numbers between 11 to 21​

12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20

They are 9 in counts

Hence there are 9  whole numbers between 11 to 21​

Finding count using AP

a = 12

nth = 20

d = 1

20 = 12 + (n - 1)(1)

=> 8 = n - 1

=> n = 9

Hence there are 9  whole numbers between 11 to 21​

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