Aptitude - Percentages Online Quiz

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 - 3.5 can be expressed in percentage as:

A - 350%

B - 35%

C - 7%

D - 10%

Answer : A

Explanation

35 : 10 = 35⁄10
= (35⁄10 x 100 ) % = 350 %

Q 2 - The difference between a number and its two-fifth is 510. What is 10% of that number?

A - 75

B - 25

C - 90

D - 85

Answer : D

Explanation

Let p be the number.
Then, p - 2⁄5 p = 510
p = 850, 10% of 850 = 85

Q 3 - Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 85 of B. Fin the ratio of A:B.

A - 4:3

B - 3:4

C - 6:5

D - 5:6

Answer : A

Explanation

5⁄100A + 4⁄100B = 2⁄3 (6⁄100A + 8⁄100B)
1⁄20A + 1⁄25B = 1⁄25A + 4⁄75B
A⁄B = 4⁄3

Q 4 - Suresh spends 24% of his monthly income on food and 15% on the education of his children. Of the remaining salary, he spends 25% on entertainment and 20% on conveyance. He is now left with Rs. 10736. What is the monthly salary of Suresh?

A - Rs. 32000

B - Rs. 30000

C - Rs. 29000

D - Rs. 33500

Answer : A

Explanation

Let z be the monthly salary of Sameer.
[100-(25 + 20)]% of [100 - (24 + 15)]% of x = 10736
→ 55% of 61% of x = 10736
Rs. 32000

Q 5 - In an examination, there are 3 papers and a candidate has to get 35% of the total to pass. In one paper, he gets 62 out of 150 and in the second 35 out of 150. How much must he get, out of 180 in the third paper to just qualify for a pass?

A - 62

B - 71

C - 57

D - 78

Answer : B

Explanation

Let z be the marks required.
→ 62 + 35 + x = 35% of 480
Therefore, z = 71

Q 6 - The price of an article has been reduced by 40%. In order to restore the original price,the new price must be:

A - 200/3%

B - 200/6

C - 200/9

D - 200/8

Answer : A

Explanation

Let the original price = Rs. 100
Reduced price = Rs. 60
Increase on Rs. 60 = Rs. 40
Increase on Rs. 100 = 40/60*100%=2/3*100%=200/3%

Q 7 - In an election the losing candidate gets 20% of the votes polled is defeated by 12000 votes. The number of votes polled by winning candidate is

A - 15000

B - 15500

C - 16000

D - 16500

Answer : C

Explanation

Let the votes polled by the winning candidate be x, then
(x-12000) =20%of (x+(x-12000))
x=16000

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 64 = 8

A - 10.5

B - 11.5

C - 12.5

D - 13.5

Answer : C

Explanation

Let x% of 64 = 8.  Then, (x/100*64)=8
∴ x= 8* 100/64= 25/2=12.5.

Q 10 - When the price of a product was increased by 15%, the number sold was decreased by 20%. What was the net effect?

A - 8% gain

B - 5% loss

C - 8% loss

D - Cannot be determined

Answer : C

Explanation

Let original price of the product = Rs 100 and number of products originally sold = 100.
Original sale proceeds = 100*100 = Rs 10,000/-
New sale proceeds = 115*80 = Rs 9200
Decrease = 10,000 – 9,200 = 800/-
∴ Decrease % = (800/1000)*100 = 8%

aptitude_percentages.htm
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