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In a 300 m race, A beats B by 15 meters or 5 sec. A's time over the course is
- A65 seconds
- B75 seconds
- C85 seconds
- D95 seconds
Correct answer: D
Discussion 1
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CCommunity
95 seconds
15m are covered by B in 5 sec.
300 m are covered by B in (5/15*300) sec. = 100 sec.
Time taken by A =(100-5) sec.= 95 sec.
15m are covered by B in 5 sec.
300 m are covered by B in (5/15*300) sec. = 100 sec.
Time taken by A =(100-5) sec.= 95 sec.