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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
Answer : B
Explanation
0.4442 + 0.6662 +0.8882 = 0.049284
Answer : D
Explanation
(0.72 +0.62 +0.52)/(0.072 +0.062 +0.052 )= (0.72 +0.62 +0.52)/0.12(0.72 +0.62 +0.52 ) = 1/.01 = 100
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 : C
Explanation
3.14 x 106 = 3.14 x 102 x 104 = 314 x 104 = 3140000
Answer : B
Explanation
Given expression is a2 + 2ab + b2 where a = 2.43, b = 7.57 = (a+b)2 = (2.43 + 7.57)2 = 102 = 100
Answer : C
Explanation
As a2 - b2 = (a+b)(a-b) ∴ (0.352 - 0.032) / 0.19 = (0.35 + 0.03)(0.35 - 0.03) / 0.19 = (0.38 x 0.32) / 0.19 = (38 x 0.32) / 19 = 2 x .32 = .64
Answer : C
Explanation
Given expression can be expressed as {(a-b)2 + (a+b)2} / (a2 + b2)
where a = 27.5 and b = 19.3
= 2(a2 + b2)/(a2 + b2) = 2
Answer : B
Explanation
Required fraction = 40/1000 = 0.04.
aptitude_decimals.htm
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