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From the same place at 7am 'A' started w...

From the same place at 7am 'A' started walking in the north at the speed of 5 km/hr. after 1 hr B started cycling in the east at a speed of 16km/hr. At what time they will be a distance of 52km apart from each other ?

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The correct Answer is:
At 11 am they will be at a distance of 52 km apart from each other .
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