Fractions and Decimals [(0.05)² + (0.41)² +(0.073)²] / [(0.005)² + (0.041)² + (0.0073)²] = ? 1000 100 10000 100000 1000 100 10000 100000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.05)² + (0.41)² +(0.073)²] / [(0.005)² + (0.041)² + (0.0073)²] Which is in form of [(a² + b² + c²)] /[ (a/10)² + (b/10)² + (c/10)²] = 100 x (a² + b² + c²) / (a²+b²+c²) = 100
Fractions and Decimals 16.001 x 11.999 x 99.989 x 0.9 = ? 18764 19347 20924 17280 18764 19347 20924 17280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16 x 12 x 100 x 0.9 ? = 17280
Fractions and Decimals If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ? 172 None of these 1.72 17.2 172 None of these 1.72 17.2 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 1.5 x a = 0.04 x b then the value of (b - a) / ( b + a) is ? None of these 730/77 73/77 73/770 None of these 730/77 73/77 73/770 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a / b = 0.04 / 1.5 = 4 / 150 = 2 / 75∴ Given Exp. (b - a) / ( b + a)= (1- a/b ) / (1 + a/b) = (1- 2 / 75) / (1 + 2 / 75)= ( 73/75 ) / ( 77/75)= 73/77
Fractions and Decimals If 144 / 0.144 = 14.4 / x, then the value of x is: 0.144 14.4 0.0144 1.44 0.144 14.4 0.0144 1.44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 144 / 0.144 = 14.4 / x144 x 1000 / 144 = 14.4 / x x =14.4 / 1000 = 0.0144
Fractions and Decimals 450.271 + 369.422 ÷ 0.03 - 108.612 x 2.001 = ? 12532 13532 15532 14532 12532 13532 15532 14532 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 450.271 + (369.422 ÷ 0.03) - (108.612 x 2.001)= 450 + 369/0.03 - (109 x 2) = 450 + 12300 - 218 = 12532
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