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Answer : 3 8:56 am Explanation : Answer: C) 8:56 am Explanation: Time taken by Akash = 4 hTime taken by Prakash = 3.5 hFor your convenience take the product of times taken by both as a distance.Then  the distance = 14kmSince, Akash covers half of the distance  in 2 hours(i.e at 8 am)Now, the rest half (i.e 7 km) will be coverd by both prakash and akashTime taken by them = 7/7.5 = 56 minThus , they will cross each other at  8 : 56am.

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