Question
In a kilometre race, A beats B by 30 metres or 6
seconds. Find the time taken by A to finish the race?Solution
It is obvious that B runs 30 meters in 6 seconds. So total time taken by B to finish the race =6/30 × 1000 = 200 seconds So time taken by A to finish the race = 200 - 6 = 194 seconds or 3 minute 14 seconds
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