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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.
Q 1 - 0.00005755 when expressed in powers of 10 is
Answer : C
Explanation
5.755x10-5
Answer : B
Explanation
0.4442 + 0.6662 +0.8882 = 0.049284
Q 3 - Which of the following fractions is greater than 1/3 and less than 5/6.
Answer : D
Explanation
As 1/3=0.33, 5/6=0.83, 4/3=1.33, 2/7=0.28, 3/2=1.5 and 2/3=0.67 Clearly, 0.67 lies between 0.83 and 0. 33.
Q 4 - The sum of the numerator and denominator of a fraction is 15. If the numerator is increased by 5, the fraction becomes 1/4. Find the fraction.
Answer : B
Explanation
Let numerator be x denominator be y x+y=15... (1) (x+5)/y = 1/4 4(x+5) =y 4x+20 =y ... (2) Solving equation (1) & (2) we get x=7 y=8 the fraction is 7/8.
Answer : C
Explanation
As x - 7328.96 = 5169.38. Thus x = 5169.38 + 7328.96 5169.38 7328.96 -------- 12498.34 --------
Answer : C
Explanation
Given expression is (23)0.28 x (22)0.08 = 2(3 x 0.28) x 2(2 x 0.08) = 2(0.84 + 0.16) = 21 = 2
Answer : B
Explanation
y/x = 1.5/0.04 = 1.50/0.04 = 150/4 = 75/2 => (y-x)/(y+x) = (y/x-1)/(y/x+1) = (75/2-1)/(75/2+1) = 73/77
Answer : A
Explanation
(.896 x .752 + .896 x .248) / (.7 x .034 + .7 x .966)
= {.896 x(.752 + .248)} / {.7 x(.034 + .966)}
= (.896 x 1) / (.7 x 1)
= 896/700 = 128/100 = 1.28
Q 10 - If a tank gets filled by 18 buckets of water where capacity of each bucket is 9 litres. How many buckets are required to fill the same tank if its capacity is 13.5 litres?
Answer : A
Explanation
tank capacity = 18 x 9 = 162 litres required number of buckets = 162 / 13.5 = 162 x 2/27 = 12.