Question

find the number between 800 and 900 which is divisible by 12, 24 and 72

Answer 1

The LCM of 12, 24 and 72 is 72.

800/72 = 11 is the quotient

900/72= 12 is the quotient

12-11 = 1

I think 1 is the answer

Answer 2

I would be 864.
Hope it helps. :)