In a 300 m race, A beats B by 22.5 m or 6 seconds. Which of the following options is equal to B’s time over the course?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 80 sec.
A beats B by 22.5 m or 6 seconds
So, B covers 22.5 m in 6 seconds
Speed of B = = 3.75 m/sec
B runs 300 m
Time = 300/3.75 = 80 sec