Fractions and Decimals [{(0.1)² - (0.01)²} / {0.0001 + 1 }] is equal to ? 75 50 100 25 75 50 100 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (0.01 - 0.0001) / (0.00001 + 1)= (.0099 / .0001) + 1 = 99 + 1= 100
Fractions and Decimals 3.5 + 21 x 1.3 = ? 28.8 24.8 30.8 26.8 28.8 24.8 30.8 26.8 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 greatest fraction out of 2/5, 5/6, 11/12 and 7/8 is ? 5/6 7/8 11/12 2/5 5/6 7/8 11/12 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/5 = 0.4 , 5/6 = 0.833, 11/12 = 0.916 and 7/8 = 0.875Clearly, the greatest fraction is 0.916, i, e . 11/12.
Fractions and Decimals Which of the following fraction are in ascending order ? 16/19, 17/22, 11/14 16/19, 11/14, 17/22 11/14, 16/19, 17/22 17/22, 11/14, 16/19 16/19, 17/22, 11/14 16/19, 11/14, 17/22 11/14, 16/19, 17/22 17/22, 11/14, 16/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 16/19 =0.842,11/14 =0.785 and 17/22 = 0.772∴ 0.772 < 0.785 < 0.842or 17/22 < 11/14 < 16/19.
Fractions and Decimals If x/y = 0.3, then (2x - y)/(2x + y) = ? 0.15 0.25 0.5 0.5 0.15 0.25 0.5 0.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x = 0.3y Then, (y - 2x)/(y + 2x)= y - 2(0.3y)/y + 2(0.3y)= y - 0.6y/y + 0.6y= 0.4y/1.6y= 0.4/1.6 = 0.25
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 2013 2014 2012 2011 2013 2014 2012 2011 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
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