Question

how many 2 digits number are divisible by 8​

Answer 1

Answer:

2 digit number which are divisible by 8 are as follows- 16,24,32,40,48,56,64,72,80,88,96..

Answer 2

Step-by-step explanation:

The first two digit number divisible by 8 is 16.

The second two digit number divisible by 8 is 24.

The last two digit number divisible by 8 is 96.

AP: 16, 24......96.

So, a= 16

d= 24-16 = 8

a n= 96

(here, n is the total number of terms in this AP)

Now,

a n = a+(n-1) d

=> 96 =16+ (n-1) 8

=> 96= 16+ 8n - 8

=> 96= 8n +8

=> 8n= 88

=> n = 11

So there are total 11 two digit numbers which are divisible by 8.

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