A man cycle with a speed of 10 km per hour and reaches his office at 1 p.m. when he cycle with a speed of 15 km per hour is it is at 11 a.m. at what speed should recycle to reach the office at 12 noon?
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he travels he travels 10 km and reach his office 1 P.M so and he he Run speed of 15 km when he is 11 so distance equals to 25 kilometre distance equal to 25 PM and time is equals to 2 hour so according to me the answer is 20 km per hour
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