Question

1. How many numbers between 400
and 500 are exactly divisible by 12,
15 and 20?​

Answer 1

firstly find the LCM OF 12, 15, 20 = 60

500/60 = 8 and 20 is remainder

so, 500 - 20 = 480 which is exactly divisible by 12, 15, 20

here , 480/12=40

480/15=32

480/20=24

I HOPE YOU GOT THE ANSWER OF THIS QUESTION. .