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) = ? 6.25 .625 62.5 .0625 6.25 .625 62.5 .0625 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 If √4096 =64 ,then the value of √40.96 + √0.4096 + √0.004096 + √0.00004096 is ? 71.104 7.1104 .71104 711.04 71.104 7.1104 .71104 711.04 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4096/100+ √4096/10000 + √4096/1000000 + √4096/100000000=√4096 / 10 + √4096/ 100 + √4096/ 1000 + √4096/ 10000=64/10 + 64/100 + 64/1000 + 64/10000=6.4 + .64 + .064 + .0064 = 7.1104
Fractions and Decimals When 0.36 is written in simplest form, the sum of the numerator and the denominator is : 45 23 12 34 45 23 12 34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36/100 = 9/25.Sum of the numerator and denominator is 9 + 25 = 34
Fractions and Decimals Convert 0.34 in to a vulgar fraction ? 17/25 17/100 17 17/50 17/25 17/100 17 17/50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.34 = 34/100 = 17/50
Fractions and Decimals If 144 / 0.144 = 14.4 / x, then the value of x is: 14.4 0.0144 0.144 1.44 14.4 0.0144 0.144 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 There are two fractions such that fraction X is thrice the fraction Y and their product is 25/12. Which of the following is equal to Y? 3/4 7/8 9/10 5/6 3/4 7/8 9/10 5/6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let X and Y are given fractions.Given that, fraction X is thrice the fraction Y;i.e., X = 3Y ...(1)And their product = X x Y = 25/12Sub. eqn (1) in above,(3Y)x(Y) = 25/123(Y²) = 25/12(Y²) = 25/36Y = 5/6Hence the required fraction is 5/6.
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