Fractions and Decimals If √15 = 3.88, the value of √5/3 is ? 1.29 1290 129 12.9 1.29 1290 129 12.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √5/3 = √15/9= √15/3= 3.88/3 = 1.29
Fractions and Decimals (0.47 x 0.47 x 0.47 - 0.33 x 0.33 x 0.33) / (0.47 x 0.47 + 0.47 x 0.33 + 0.33 x 0.33) = ? 0.014 0.14 14 1.4 0.014 0.14 14 1.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.47)³ - (0.33)³] / [(0.47)² + 0.47 x 0.33 + (0.33)²]= [a³ - b³ ] / [ a² + ab + b²] = [(a-b) (a² + ab + b²)] / [(a² + ab + b²)]= (a - b) = (0.47 - 0.33) = 0.14
Fractions and Decimals Which of the following fractions is greater than 3 /4 and less than 5 / 6 ? 1/2 4/5 3/4 5/6 1/2 4/5 3/4 5/6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 /4 = 0.75, 5/6 = 0.833,1/2 = .5,2/3 = 0.66, 4/5 = 0.8,9/10 = 0.9.clearly 0.8 lies between 0.75 and .833.4/5 lies between 3/4 and 5/6.
Fractions and Decimals The rational for the recurring decimal 0.125125......is None of these 125/9 125/99 125/999 None of these 125/9 125/99 125/999 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.125125...... = 0.125 = 125/999.
Fractions and Decimals Arrange the fractions in ascending order: 3/4, 5/8, 7/12, 13/16 5/8 < 7/12 < 3/4 < 13/16 5/8 < 7/12 < 13/16 < 3/ 5/8 < 3/4 < 13/16 < 7/12 7/12 < 5/8 < 3/4 < 13/16 5/8 < 7/12 < 3/4 < 13/16 5/8 < 7/12 < 13/16 < 3/ 5/8 < 3/4 < 13/16 < 7/12 7/12 < 5/8 < 3/4 < 13/16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/8 = .625,7/12 = .5833, 3/4 = .75,13/16 = .8125So order will be 7/12 < 5/8 < 3/4 < 13/16
Fractions and Decimals (0.16)² - (0.12)² = ? 0.0112 .112 1.12 11.2 0.0112 .112 1.12 11.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = a² - b² = (a + b)(a - b)Hence, (0.16)² - (0.12)²= (0.16 + 0.12)(0.16 - 0.12)= 0.28 x 0.04 = 0.0112
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