Fractions and Decimals Find the integer which when decreased by 2 is 80 times the reciprocal of the same number 12 10 13 11 12 10 13 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be X Decreasing 2 from XX - 2 = 80 x (1/X)X^2 - 2X = 80X^2 -2x -80 = 0(X-10)(X+8) = 0x=10,-8X has two values, but among the given options X value should be 10
Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 8 0.8 800 80 8 0.8 800 80 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 4.036 divided by 0.04 gives 10.9 10000.9 100.9 1000.9 10.9 10000.9 100.9 1000.9 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals Which of the following fractions is greater than 3 /4 and less than 5 / 6 ? 4/5 3/4 5/6 1/2 4/5 3/4 5/6 1/2 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 Arrange the fractions in ascending order: 3/4, 5/8, 7/12, 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 5/8 < 7/12 < 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 Which of the following fractions is greater than 3/4 and less than 5/6? 2/3 1/2 4/5 9/10 2/3 1/2 4/5 9/10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 = 0.75, 5/6= 0.833, 1/2= 0.5, 2/3= 0.66,4/5= 0.8, 9/10= 0.9. Clearly, 0.8 lies between 0.75 and 0.833.4/5 lies between 3/4 and 5/6.
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