In a kilometre race, if A gives B a 40 m start, A wins by 19 s.But if A gives B a 30 s start, B wins by 40 m. Find the time taken by B to run 5,000 m?
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In a kilometre race, if A gives B a 40 m start, A wins by 19 s.But if A gives B a 30 s start, B wins by 40 m. Find the time taken by B to run 5,000 m?
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