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Aptitude - Decimals & Fractions Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Decimals and Fractions. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : A
Explanation
(x-0.22)/3.2=3.2 => x-0.22=10.24 => x=10.46
Q 2 - How many digits are there to the right of decimal in the product of 45.875x323.87?
Answer : C
Explanation
5
Answer : D
Explanation
(0.036-0.018)/(0.036/36)= (36/1000-18/1000)/(36/1000) x36=((36-18)/1000)/(36/1000) x36=18/36 x36=18
Q 4 - If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 729/64 , Find the fraction.
Answer : C
Explanation
(X2)/(1/x) = 729/64 => X3 = (9/4)3 => X = 9/4
Answer : C
Explanation
12205 x25 ------ 305125 ------ ∴ 12.205 x 2.5 = 30.5125
Answer : B
Explanation
6.06 x X = 1212/0.5 => X = (1212 x 10)/(0.5 x 6.06) = (1212 x 1000) / 3030 = 400
Answer : D
Explanation
Let 2252.5 / 225x = 225 => 225x = 2252.5 / 225 => 225x = 2252.5 - 1 = 2251.5 => x = 1.5
Q 8 - (0.87 x 0.87 x 0.87 + 0.13 x 0.13 x 0.13) / (0.87 x 0.87 - 0.87 x 0.13 + 0.13 x 0.13)= ?
Answer : D
Explanation
As a3 + b3 = (a+b)(a2-ab + b2) Thus (a3 + b3) / (a2-ab + b2) = a + b ∴ (0.87 x 0.87 x 0.87 + 0.13 x 0.13 x 0.13) / (0.87 x 0.87 - 0.87 x 0.13 + 0.13 x 0.13) = 0.87 + 0.13 = 1
Q 9 - Which of the following is same as 54.327 x 357.2 x .0057?
Answer : A
Explanation
As sum of decimal places in product is 8 and in option A is also 8.
Q 10 - If a tailor has 37.5 m of cloth and he has to make 8 pieces out of meter of it. How many pieces can be made?
Answer : C
Explanation
Required pieces = 37.5 x 8 = 300
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