Question

Find the greatest 3 digit number which is divisible with 15,20 and 25

Answer 1

Answer:

15= 5 x 3

25=5 x 5

30= 5 x 3 x 2

Therefore lcm of 15, 25 and 30 is = 5 x 5 x 3 x 2= 150.

So 150 x 6 = 900

150 x 7 =1050

So the largest 3- digit number divisible by 15,25 and 30 is 900.