Question

what is the largest number between 100 and 200 that is divisible by both 20 and 30 ?

Answer 1

Dear Student,

LCM of 20 and 30 = 60

So, any multiple of 60 will be divisible by both 20 and 30.
Two multiples of 60 lie between 100 and 200. They are 120 and 180.

So, the largest number between 100 and 200 that is divisible by both 20 and 30 is 180.

Regards