Question

Determine the greatest 3 -digit number exactly divisible by 8, 10 ,12

Answer 1

Answer:

The least number which is exactly divisible by 12, 18,21, 90 will be LCM of 12, 18,21, 90. So our required answer will be half of LCM

LCM(12,18,21,90)=1260

So our required answer will be half of 1260= 630