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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 : B
Explanation
(y-x)/(y+x)=(1-x/y)/(1+x/y) =(1-2/75)/(1+2/75) =73/77
Answer : A
Explanation
31.2 x 0.6=(312/10)x(6/10)=1872/100=18.72
Answer : A
Explanation
√(0.169/0.064)=√((169/1000)/(64/1000))=√(169/64)=13/8
Q 4 - If 1/6th part of a number is 150 more than 1/9th part of that number, then the number is?
Answer : D
Explanation
Let the number be X. Thus 1/6X- 1/9X=150 =>(3X-2X)/18=150 =>X=2700
Answer : B
Explanation
As 16.7 + 12.38 - x = 10.09. Thus x = 16.7 + 12.38 - 10.09 16.7 12.38 ------ 29.08 -10.09 ------ 18.99 -----
Q 6 - What is the value of 0.04 x 0.0162?
Answer : B
Explanation
0.04 x 0.0162 = 4/100 x 162/10000 = 648 /100 x 1/104 = 6.48 x 10-4
Answer : D
Explanation
(6.5 x 4.7 + 6.5 x 5.3) / (1.3 x 7.9 - 1.3 x 6.9) = {6.5 x (4.7 + 5.3)} / {1.3 x (7.9 - 1.3)} = (6.5 x 10) / (1.3 x 1) = 50.
Answer : C
Explanation
As a2 - b2 = (a+b)(a-b) ∴ (0.25 x 0.25 - 0.24 x 0.24) / 0.49 = (0.25 + 0.24)(0.25 - 0.24) / 0.49 = (0.49 x 0.01) / 0.49 = 0.01
Answer : D
Explanation
0.2222 + 0.3333 + .03232 = 2/9 + 3/9 + 32/99 = 5/9 + 32/99 = (55+32)/99 = 87/99 = 0.8787
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
aptitude_decimals.htm
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