1.

A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible?

Answer»

A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible?




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