Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 1.613 1613 16.13 161.3 1.613 1613 16.13 161.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression =(13.065)²-(3.065)² =(13.065 + 3.065) x (13.065 - 3.065)=16.13 x 10 = 161.3
Fractions and Decimals 25 / .0005 = ? 50000 500 500000 5000 50000 500 500000 5000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25 / .0005= 250000 / 5= 50000
Fractions and Decimals (.538 x .538 - .462 x .462) / (1-.924) = ? 31 21 1 11 31 21 1 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [ (.538)² - (.462)² ] / .076 = [(.538 + .462)(.538 - .462)] /.076=.076 / .076 = 1
Fractions and Decimals 50.8 / 2540 = ? 0.002 None of these 0.0002 0.02 0.002 None of these 0.0002 0.02 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50.8 / 2540 = 508 / 25400 = 2 / 100 = .02
Fractions and Decimals If x/y = 0.3, then (2x - y)/(2x + y) = ? 0.5 0.5 0.15 0.25 0.5 0.5 0.15 0.25 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 Which of the following fractions is greater than 3/4 and less than 5/6? 1/2 9/10 4/5 2/3 1/2 9/10 4/5 2/3 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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