Question

In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:

A) 40 sec B) 47 sec C) 33 sec D) None of these

Answer 1

Answer:

time taken by A to complete the race is 40 seconds

Step-by-step explanation:

in race A beats B by 35 m or 7 seconds

so we can find speed

speed = 35/7 = 5m/s

in 200 metre race

distance = 200 m

speed of A is = 5m/s

time taken by A to complete race = 200/5

= 40 seconds