Aptitude - Percentages Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Percentages. 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.

Questions and Answers

Q 1 - Ratio 5 : 4 expressed as a percent equals :

A - 12.5%

B - 125%

C - 60%

D - 75%

Answer : B

Explanation

5 : 4 = 54
= (54 x 100 ) % = 125 %

Q 2 - Find value of p if p% of 932 + 30 = 309.6.

A - 30

B - 20

C - 10

D - 16

Answer : A

Explanation

p100 x 932 = 279.6
p = 279.6 x 100932 = 30

Q 3 - The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is:

A - 20%

B - 12%

C - 5%

D - 7%

Answer : C

Explanation

Increase in 10 years = (262500 - 175000) = 87500
Increase % = (87500175000) = 50%
Therefore, average = (5010)% = 5%

Q 4 - Two tailors Rajiv and Raman are paid a total of Rs. 550 per week by their employer. If Rajiv is paid 120% of the sum paid to Raman, then how much is Raman paid per week?

A - 250

B - 342

C - 359

D - 290

Answer : A

Explanation

Let p be the sum paid to Raman per week.
Then, p + 120% of p = 550
Therefore, p = 250 after solving the above equation.
Raman is paid Rs. 250 per week.

Q 5 - The wheat production of a farmer increased from 180 quintals to 190 quintals. Find the percentage increase in production.

A - 4.56%

B - 5.00%

C - 5.50%

D - 5.56%

Answer : D

Explanation

Increase =190-180=10
%Increase=(10/180)*100 = 5.56%

Q 6 - In a recent survey 40% houses contained 2 or more people. Of those houses containing only one person, 25% were having only a male. What is the percentage of all the houses which contain exactly one females and no males?

A - 75

B - 40

C - 15

D - 45

Answer : D

Explanation

As per question, 40% houses contain two or more people.
i.e. 60% houses have only one person. O these houses 25% have male.
∴ 75% of 60% of the total houses have only one female and no males.
 = .75 * 60% = 45%

Q 7 - What will be 90 % of a number whose 200% is 300?

A - 135

B - 140

C - 145

D - 150

Answer : A

Explanation

200% of x = 300,=>x=150
90% of 150=135

Q 8 - The price of an article is cut by 20% .to restore it to the former value, the new price must be increased by

A - 20

B - 25

C - 30

D - 35

Answer : B

Explanation

Let original price = Rs. 100
Reduced price = Rs. 80
Increase on Rs.80=Rs.20 
Increase on Rs. 100=20/80*100%=25%

Q 9 - ?% of 24 = 0.72

A - 10.5

B - 11.5

C - 12.5

D - 13.5

Answer : C

Explanation

Let x% of 24 = 0.72. Then,
(x/100*24)=0.72= 72/100=>24x=72 =>x=3.

Q 10 - 72% of the students of a certain class took Biology and 44% took Mathematics. If each student took at least one subject from Biology or Mathematics and 40 took both, then the total number of students in the class is

A - 200

B - 240

C - 250

D - 320

Answer : C

Explanation

Let the number of students in the class be 100.
∴ Number of students in Biology = 72 and number of students in Maths = 44.
∴ Number of students opting for both the subjects = 72 + 44  100 = 16
When 16 students opt for both the subjects, total number of students = 100
∴ When 40 students took both the subjects, total number of students = (100/16)*40 = 250


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