Fractions and Decimals (4.5 x 3.7 + 4.5 x 6.3)/(1.5 x 8.4 - 1.5 x 7.4) = ? 20 30 5 10 20 30 5 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4.5 x 3.7 + 4.5 x 6.3)/(1.5 x 8.4 - 1.5 x 7.4) = 4.5 x (3.7 + 6.3)/1.5 x (8.4 - 7.4) = 4.5 x 10/1.5 x 1 = 30
Fractions and Decimals The value of [(0.96)³- (0.1)³] / [(0.96)² + 0.096 + (0.1)²] is : 0.56 0.46 0.86 0.36 0.56 0.46 0.86 0.36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression=[(0.96)³ - (0.1)³] / [(0.96)² + (0.96 x 0.1) + (0.1)²]= [(a³ - b³) / (a² + ab + b²)] = (a - b)= (0.96 - 0.1)= 0.86
Fractions and Decimals 51.3 + 7.078 +1.38 + 0.9 = ? 80.658 50.658 70.658 60.658 80.658 50.658 70.658 60.658 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 51.300 + 7.078 + 1.380 + 0.900 = 60.658
Fractions and Decimals 9.724 ÷ 100 = ? 0.9724 9.724 0.09724 None of these 0.9724 9.724 0.09724 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9.724 ÷ 100 = 0.09724Shift decimal two palaces to the left. i.e 100
Fractions and Decimals If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ? None of these 172 17.2 1.72 None of these 172 17.2 1.72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 29.94 / 1.45 = 299.4 / 14.5 = [(2994 /14.5) x (1 / 10)] [ Here, Substitute 172 in the place of 2994/14.5 ]=172 / 10= 17.2
Fractions and Decimals If two-third of two-seventh of a number is 60, then two-fifteenth of that number is 34 56 42 71 34 56 42 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be X.Then 2/3 x 2/7 x X =60X = 60 x 7 x 3 / 4 = 315Then, 2/15 of 315 = 2/15 x 315 = 42.Hence the required number is 42
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