Fractions and Decimals 3.5 + 21 x 1.3 = ? 30.8 26.8 24.8 28.8 30.8 26.8 24.8 28.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = 30.8
Fractions and Decimals The expression (11.98 * 11.98 + 11.98 * (x) + 0.02 * 0.02) will be a perfect square for x equal to : 0.04 4 None of these 0.4 0.04 4 None of these 0.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given = (11.98)^2 + (0.02)^2 + 11.98 * x. For the given expression to be a perfect square, we must have11.98 * x = 2 * 11.98 * 0.02=> x = 0.04
Fractions and Decimals By how much is 12% of 24.2 more than 10% of 14.2 ? 1.884 1.684 1.284 1.484 1.884 1.684 1.284 1.484 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required difference = (12 x 24.2) / 100 - (10 x 14.2) / 100= 2.904 -1.42 = 1.484
Fractions and Decimals Two times of the third of three consecutive even integers is three times of the first. Then the second integer is 7 10 1 4 7 10 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive three integers be X, X + 2 and X + 4Then, 2(X + 4) = 3XX = 8Now X + 2 = 10The required second integer is 10
Fractions and Decimals 0.15 / (0.5 / 15) = ? 400.5 4.5 None of these 40.5 400.5 4.5 None of these 40.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let Y = 0.15 / (0.5 / 15) = (15/100) / [(5/100) / 15) = 4.5
Fractions and Decimals By how much does 7/(8/9) exceeds (7/8)/9 ? 6 7/9 8 7/9 5 7/9 7 7/9 6 7/9 8 7/9 5 7/9 7 7/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here, we have to find the value of 7/(8/9) - (7/8)/9.(7 x 9/8) - [(7/(8 x 9)]63/8 - 7/72[(63 x 9) - 7] / 72567 - 7/72 = 560/72 = 70/9 = 7 7/9.Hence, 7/(8/9) is greater than (7/8)/9 by 7 7/9.
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