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In a school for blinds, the children are taught to make candles. Each student was given of cuboidwax of dimension 22cm x 9cm x 10cm. Each student made a candle of radius 3 cm and lenyt "2mIf there are 50 students in the school, how many candles were made in all? List the values shown in Hcase.fi |
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Answer» DIMENSIONS of cubical piece of wax = 22*9*10radius of cylindrical candle = 3cmheight of the cylindrical candle = 7cm volume of the cuboidal piece of candle =22*9*10volume of the cylindrical candle = 22/7*3*3*7volume of cylindrical candle =volume of cuboidal piece of candle *n22*9*10=22/7*3*3*7*nn= 22*9*10/22/7*3*3*7 = 22*9*10*7/ 22*3*3*7 =9*10* 7/3*3*7 = 3*10*7/ 3*7 = 70/7 = 10therefore, 10 candles are required to make the cuboidalpiece. |
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