This question was asked in Ex 13.6, 7

13.6,7 मे जब हमने volume of graphite cylinder pai r square h का formula put किया तो हमने hकि जगह 140 क्यो लगाया hतो 14 थी ना

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Anil Singh
Nov. 23, 2018, 9:01 a.m.

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