Question
A hemispherical bowl of internal radius 9 cm contains a liquid . This liquid is to be filled into cylindrical shaped small bottles of diameter 3 cm and height 4 cm .How many bottles will be needed to empty the bow ?
Answer: Option C
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Volume of bowl = `(2/3 pi xx 9 xx 9 xx 9) cm^3 = 486 cm^3`
Volume of 1 bottle = `( pi xx 3/2 xx 3/2 xx 4) cm^3 = 9 pi cm^3`
Number of bottles = `((486 pi)/(9pi)) = 54.`
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