Aptitude - Questions & Answers

Aptitude - Decimals & Fractions Online Quiz

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 - √(0.144/0.009)=?

Answer : B

Explanation

 √(0.144/0.009)=√(144/9)=2

Q 2 - 31.2 x 0.6 =

Answer : A

Explanation

 31.2 x 0.6=(312/10)x(6/10)=1872/100=18.72

Q 3 - The decimal 0.024 in the fraction form is

Answer : B

Explanation

0.024  = 24/1000

Q 4 - 1411/17=X/0.2 x 8, X=?

Answer : B

Explanation

 1411/17=X/0.2 x 8 
 =>X=1411x0.2/17x8 =1411x2/17x8x10 =83/40

Q 5 - 1 + .1 + .01 + .001 =?

Answer : D

Explanation

 1.000 
 0.1 
 0.01 
 0.001 
 ----- 
 1.111 
 -----

Q 6 - 1999 / 2111 = ?

Answer : B

Explanation

 1999 / 2111 = .946

Q 7 - If 20.40 x X = 12.24. What is X?

Answer : A

Explanation

    
 20.40 x X = 12.24 
 => X = 12.24 / 20.40 = 1224/2040 = 12/20 = 6/10 = 0.6

Q 8 - (.538 x .538 - .462 x .462) / 1 - .924= ?

Answer : C

Explanation

 
 (.538 x .538 - .462 x .462) / 1 - .924 = (.538² - .462²) / .076  
 = (.536 + .462)(.536 - .462)/ .076 = 1 x 0.076 / 0.076 = 1

Q 9 - 1/0.04 = ?

Answer : D

Explanation

 
 1/0.04 = 100/4 = 25

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.

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