In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:
Options:
(A) 10
(B) 12
(C) 30
(D) 40
(E) 20 Think first, then make a decision. Some random thoughts:
Dist = (100/45*9) = 20 m So the answer is (E).