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For 2.5 cm thick c.c. floor of 1:2:4 proportion, for 100 sq m, how many cement bags will be required?(a) 18(b) 28(c) 24(d) 10 |
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Answer» The correct choice is (c) 24 Easiest explanation: 100 sq m total dry volume of materials = 2.75+50% = 2.75+1.375 = 4.125 cu m. Therefore, cement = (4.125) / (1+2+4) = .59 cu m = .60 cu m (18 bags). For neat cement surface finishing additional 0.2 cu m (6 bags) of cement will be required. |
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