Question:
In a 300 m race A beats B by 22.5 m or 6 seconds. B’s time over the course is:
[A].86 sec
80 sec
76 sec
None of these
In a 300 m race A beats B by 22.5 m or 6 seconds. B’s time over the course is:
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
B runs | 45 | m in 6 sec. |
2 |
B covers 300 m in | 6 x | 2 | x 300 | sec | = 80 sec. | |
45 |