Question

How many numbers from 21 to 50 are there which are exactly divisible by 8 but not by 3 ? *

Answer 1

Answer:

There are 2 numbers pal.Namely 32 and 40.24 and 48 cannot be included cause they are divisible by 3.

Answer 2

Answer:2

Step-by-step explanation:

For divisible by 8, A.P. is 24 + (n-1) 8,

a= 24; d=8

48 = 24 +(n-1) 8

n-1 = 3 ⇒ n= 4 ( 24, 32, 40, 48)

In this 24 and 48 divisible by 3;

numbers are 2( 32, 40)