For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is ________(a) 0.90 m^3(b) 0.94 m^3(c) 0.98 m^3(d) 0.98 m^3I have been asked this question by my college director while I was bunking the class.This key question is from Accounts topic in division P.W.D of Civil Engineering Drawing

For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantit

1.	For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is ________(a) 0.90 m^3(b) 0.94 m^3(c) 0.98 m^3(d) 0.98 m^3I have been asked this question by my college director while I was bunking the class.This key question is from Accounts topic in division P.W.D of Civil Engineering Drawing
Answer» Correct answer is (B) 0.94 m^3 The best explanation: VOLUME – area * thickness. So, 100.04 = 4 CUBIC metre, 10% for uneven surface. 4 10% = .04 = 4.4cubic metre. 50% for dry mortar, 4.4 * 50% = 2.2. = 6.6cubic meter. Cement = 6.6/(1 + 2 + 4) = .94 cubic meter.

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