In a 300-meter race, A wins by 22.5 metres, or 6 seconds. Over the course of the race, B's time is:
A. 86 sec
B. 80 sec
C. 76 sec
D. None of these
Answer:B
In a 300-meter race, A wins by 22.5 metres, or 6 seconds. Over the course of the race, B's time is:
A. 86 sec B. 80 sec C. 76 sec D. None of these
Explanation: B covers 45/2 metres in 6 seconds.B covers 300 metres in 6 x 2/45 x 300 seconds = 80 seconds.