Fractions and Decimals 0.8 x ? =0.0004 0.00005 0.005 0.0005 0.05 0.00005 0.005 0.0005 0.05 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
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 7/12 < 5/8 < 3/4 < 13/16 5/8 < 7/12 < 13/16 < 3/ 5/8 < 3/4 < 13/16 < 7/12 5/8 < 7/12 < 3/4 < 13/16 7/12 < 5/8 < 3/4 < 13/16 5/8 < 7/12 < 13/16 < 3/ 5/8 < 3/4 < 13/16 < 7/12 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 (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 8 800 80 0.8 8 800 80 0.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.3)³] / [(0.5)² - 0.5 x 0.3 + (0.3)²]= [a³ + b³] / [a² - ab + b²]=[(a + b)(a² - ab + b²)]/ [a² -ab + b²]= a+b = 0.5 + 0.3 = 0.8
Fractions and Decimals The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.3 2014 2011 2013 2012 2014 2011 2013 2012 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose commodity X wil cost 40 paise more than Y after Z years.Then, (4.20 + 0.40Z) - (6.30 + 0.15Z) = 0.40 0.25Z = 0.40 + 2.10 Z= X will cost 40 paise more than Y 10 years after 2001 . i.e in 2011
Fractions and Decimals 138.009 + 341.981 - 146.305 = 123.6 + ? 21.0085 210.085 2.10085 21.0085 21.0085 210.085 2.10085 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 The rational for the recurring decimal 0.125125......is 125/99 None of these 125/9 125/999 125/99 None of these 125/9 125/999 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.125125...... = 0.125 = 125/999.
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