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If a man cycles at 10 km/hr, then he arrives at a certain place at 1 pm. If he cycles at 15 km/hr, he will arrive at the same place at 11 am. At what speed must he cycles to get there at noon?
If a man cycles at 10 km/hr , then he arrives at a certain place at 1 pm . If he cycles at 15km/hr, arrive at the same place at 11am . At what speed must he cycels to get there at noon ?
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