Question

3 persons steps measure 40, 42, 45 cm. What is ghe minimum distance each should walk sothar they can cover same distance in complete stepa

Answer 1

Find the lcm of 40 , 42 and 45

Lcm = 2 × 2 × 2 × 3 × 3 × 5 × 7 = 2520

So 2520 cm or 252m is the minimum distance that they should walk.

Hope it helps you.