Question

Acan run 1 km in 3 min 10 sec and b can cover the same distance in 3 min.20 sec .By what distance can a beat b?

Answer 1

Explanation:

clearly a beat b by 10 seconds

distance covered by b in 10 seconds =

1000÷200×10=50m

(3min20sec=1 km

200sec=1000th

1 sec=1000÷200=5

10sec=5×10=50 m

a can beat b by 50 m