Fractions and Decimals [ .6 x .6 x .6 x .4 x .4 x .4 + 3 x .6 x .4 x (.6 + .4 )] = ? 2 3 1 4 2 3 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression =(.6)³ + (.4) ³ + 3 x .6 x .4 x (.6 + .4)= a³ + b³ + 3ab (a+b) = (a+b)³= (.6 + .4)³ = 1³ = 1
Fractions and Decimals 16.7 + 12.38 - ? =10.09 20.99 16.99 18.99 14.99 20.99 16.99 18.99 14.99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 16.7 + 12.38 - x =10.09∴ x = 16.7 + 12.38 - 10.09 = 18.99
Fractions and Decimals By how much does 7/(8/9) exceeds (7/8)/9 ? 5 7/9 7 7/9 6 7/9 8 7/9 5 7/9 7 7/9 6 7/9 8 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.
Fractions and Decimals (.538 x .538 - .462 x .462) / (1-.924) = ? 11 21 31 1 11 21 31 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [ (.538)² - (.462)² ] / .076 = [(.538 + .462)(.538 - .462)] /.076=.076 / .076 = 1
Fractions and Decimals 6 x 0.6 x 0.06 x 0.006 x 60 = ? 77.76 0.7776 7.776 0.07776 77.76 0.7776 7.776 0.07776 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 What decimal of an hour is a second 0.0026 0.0028 0.0027 0.0025 0.0026 0.0028 0.0027 0.0025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
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