A man can reach a certain place in 30 hours. if hereduces his speed by 1/15th, he goes 10 km less in thattime. find his speed per hour.
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Let the speed be x km / hr. Then,
30x - 30 * 14/15x = 10
<=> 2x = 10 <=> x = 5 km / hr.
30x - 30 * 14/15x = 10
<=> 2x = 10 <=> x = 5 km / hr.
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