Question

how many no.lie on between 1 to 100 those divisible by 2 or 5 it means both

Answer 1

60....................

Answer 2

divisible by 2 from 1 to 100= 50 number is divisible by 2 from 1 to 100.
2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100 are the numbers divisible by 2.
divisible by 5 from 1 to 100 = 20 number is divisible by 5 from 1 to 100.
5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100 are the numbers divisible by 5.
Divisible by 2 and 5 from 1 to 100=we should take the common numbers from the divisible no. of 2 and divisible no. of  5....
10 number is divisible by 2 and 5 from 1 to 100.
10,20,30,40,50,60,70,80,90,100 are the numbers divisible by 2 and 5.