Question

A beats by 20 mtr b beats a by 30 mtr c beats a by 40 mtr is

Answer 1

Answer:

A beats C by 36metres.

A : B = 100 : 80

B : C = 100 : 80

A : C = (A/B * B/C)

= (100/80 * 100/80)

= (100/64)

Therefore A beats C by = (100-64) = 36metres.