Fractions and Decimals 51.3 + 7.078 +1.38 + 0.9 = ? 50.658 70.658 80.658 60.658 50.658 70.658 80.658 60.658 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 51.300 + 7.078 + 1.380 + 0.900 = 60.658
Fractions and Decimals (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) = ? .0625 .625 6.25 62.5 .0625 .625 6.25 62.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(.356)² -2 x .356 x .106 + (.106)²] / [(.632)²+2 x .632 x .368 +(.368)²]= (a² -2ab + b²) / (c²+2cd+d²)= (a - b)² / (c + d)²= (.356 -.106)² / (.632 + .368)²= (.25)² = .0625
Fractions and Decimals 6 x 0.6 x 0.06 x 0.006 x 60 = ? 7.776 77.76 0.07776 0.7776 7.776 77.76 0.07776 0.7776 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000 = 7776/100000 = 0.07776
Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? 16.8 1.68 None of these 168 16.8 1.68 None of these 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 3√5 / 2√5 - 0.48= (3 x 2.24) / (2 x 2.24) - 0.48= 6.72 / 4.48 - 0.48 = 6.72 / 4 = 1.68
Fractions and Decimals If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction. 5 2/3 2 2/3 7 2/3 9 2/3 5 2/3 2 2/3 7 2/3 9 2/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the required fraction be P According to the question (P x P) / (1/P) = 18 26/27⇒ P³ = 512/27∴ P = 8/3 = 2 2/3
Fractions and Decimals (0.2 * 0.2 + 0.01) ( 0.1 * 0.1 + 0.02)^(-1) is equal to : 5/3 6/3 4/3 7/3 5/3 6/3 4/3 7/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given = (0.2 * 0.2 + 0.01) / ( 0.1 * 0.1 + 0.02)= (0.04 + 0.01) / (0.01 + 0.02) = 0.05 / 0.03= 5/3...
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