Fractions and Decimals If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is : 71/74 65/67 73/77 61/63 71/74 65/67 73/77 61/63 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77.
Fractions and Decimals (10.3 * 10.3 * 10.3 + 1)/(10.3 * 10.3 - 10.3 + 1) is : 1.3 11.3 111.3 None of these 1.3 11.3 111.3 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a^3 + b^3 = (a+ b) * (a^2 + b^2 - ab)..( (10.3)^3 + (1)^3 ) / ((10.3)^2 + (1)^2 - (1 * 10.3))=> a + b = 10.3 + 1 = 11.3
Fractions and Decimals 138.009 + 341.981 - 146.305 = 123.6 + ? 2.10085 210.085 21.0085 21.0085 2.10085 210.085 21.0085 21.0085 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 138.009 + 341.981 - 146.305 = 123.6 + zThen, z = (138.09+341.981) - (146.305+123.6)= 479.99 - 269.905 = 210.085
Fractions and Decimals ? / .0025 = 800 4 2 3 1 4 2 3 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k / .0025=800 Then, k = 800 x .0025= ( 800 x 25 ) / 10000 = 2
Fractions and Decimals The product of 3.5413 x 2.1 is None of these 7.43673 743.673 74.3673 None of these 7.43673 743.673 74.3673 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For the product of 3.5413 x 2.1Consider 35413 x 21 = 743673Total decimal places = 4 + 1∴ 3.5413 x 2.1=7.43673
Fractions and Decimals 3420 / 19 = ( ? / 0.01) x 7 9/30 9/45 9/40 9/35 9/30 9/45 9/40 9/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3420 / 19 = (y / 0.01) x 7Then , y = ( 3420 / 19) x (0.01 / 7) = 180 / 700 = 9/35
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