When some marbles of diameter 1.4cm each are dropped into a cylindrical vessel of radius 7cm containing some water in it, the water in it, the water level rises in
vessel to 28cm. Find the number of marbles dropped.
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Step-by-step explanation:
volume of marbels=1.54
volume of cylinder =22/7×7×7×28
=154×28
:: =4312
no.of marbels=4312/1.54
=2800
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