Question

If the ratio of speeds of 'A' and 'B' is 5: 6 and 'B' allows 'A' a start of 70 metres in a 1.2 km race, who will win the race and by what distance?

Q: Answer-If the ratio of speeds of 'A' and 'B' is 5: 6 and 'B' allows 'A' a start of 70 metres in a 1.2 km ra...

Let the speeds of A and B is 50 ms and 60 ms respectively. B allows A start of 70 m in a 1.2 km race That means A covers 1130 m and B covers 1200 m. Time in which A covers 1130 m 113050 22.6 sec And, Time in which B covers 1200 m 120060 20 sec It is evident that B wins the race and A takes 2.6 sec more than B to finish the race. Distance by which B wins the race 2.6 50 130 m