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a man can reach a certain place in 30 hours. if he reduces his speed by 1/15th, he goes 10 km less in that time. find his speed.

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Ans : 5 km/hr

Let Speed = X km/hr,
then,
30 X -(30 - 30 * 1/15) X = 10
=> 30X - 28 X =10
=> X = 5 km/hr
9 years agoHelpfull: Yes(0) No(4)

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