two sprinter run the same race of 200 metre 10 is at the speed of 10 metre per second and the other run at 8 metre per second by what time will the first printed with the others sprinter?
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Answer:
Distance =100m
Speed of 1st= 10m/sec
Time =100÷10=10sec
Speed of second=100÷8
=12.5sec
first sprinter beat the other sprinter by 12.5sec-10sec=2.5sec
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