Question

Initially the diameter of a balloon is 28 cm. It can

explode when the diameter becomes 5/2 times of the initial diameter. Air is blown at 156 cc/s. It is known that the shape of balloon always remains spherical. In how many seconds the balloon will explode?

A 1078 s

B 1368 s

C 1087 s

D none of these

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Question

Initially the diameter of a balloon is 28 cm. It can

Solution

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