Question

Find the number of integers between 100 and 800 wch are divisible by 11

Answer 1

hey dear ur ans is just here ⬇⬇

the no of integers between 100 and 800 ....which are divisible by 11 are :--

110, 121 , ........., 792


then , ...
110

a + (n-1 )d = 792

110 + ( n-1) 11 = 792

n= 63.


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Answer 2

a(n) = a+(n-1)d

792 = 110 +(n-1)11

792-110 =(n-1)11

692 =(n-1)11

682/11 = n-1

62 = n-1

62+1 =n

63 =n
Hence there are 63 numbers which are divisible by 11 between 100 and 800

I hope this will help you


-by ABHAY