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 - In an examination, 35% of the students passed and 455 failed. How many students appeared for the examination?

A - 700

B - 500

C - 900

D - 1100

Answer : A

Explanation

Let s be the number of students appeared for the examination.
Then, 65% of s = 455
i.e. 65100s = 455
Therefore, Students = 700

Q 4 - If A = p% of q and B = q% of p, then which of the following is true?

A - A is smaller than B

B - A is greater than B

C - Relationship between A and B cannot be determined

D - A = B

Answer : D

Explanation

p% of q = (p100 x q) = (q100 x p) = q% of p
→ A = B

Q 5 - Of the 1000 inhabitants of a town, 60% are males of whom 20% are literate. If, of all the inhabitants, 25% are literate, then what percent of the females of the town are literate?

A - 30%

B - 37.5%

C - 35%

D - 32.5%

Answer : D

Explanation

60100 x 1000 = 600 = number of males
→ 1000 - 600 = 400 = number of females
Literates = 25% of 1000 = 250
Literate males = 20% of 600 = 120
Literate females = 250 - 120 = 130
Therefore, the percent of the females literate = 130400 x 100 = 32.5%

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 - The income of broker remains unchanged though the rate of commission is increased from 5% to 6% .the percentage of slump in business is

A - 100/3

B - 100/6

C - 100/7

D - 100/8

Answer : B

Explanation

Let the business value changes from x to y
Then, 5% of x=6% of y or 5/100*x=6/100 y
Or y = 5/6x
Change in business = x-5/6x=1/6x
 Percentage slum in business=1/6 x * 1/x*100=100/6 %

Q 8 - On decreasing the price of refrigerator by 25%, its sale is increased by 20% .what is the effect on revenue received by the shopkeeper?

A - 25%

B - 20%

C - 15%

D - 10%

Answer : D

Explanation

Let,price =Rs. 100, sale =Rs. 100
Then, sale value = 100*100=Rs.10000
New sale value =Rs.(75*120)=Rs.9000
Decrease %=1000/10000*100=10%

Q 9 - What percent of 2/7 is 1/35?

A - 2.5%

B - 10%

C - 25%

D - 20%

Answer : B

Explanation

 Let's have x % of 2/7 = 1/35
=> x/100 * (2/7) = 1/35 
=>x = 1/35 * 7/2 * 100
= 10%

Q 10 - The production of company A increased by 25% from 1994 to 1995 and its production further increased by 60% from 1995 to 1996. What is the total percent increase in production from 1994 to 1996?

A - 85%

B - 75%

C - 200%

D - 100%

Answer : D

Explanation

Production in 1996 = 160/100 * 125/100 * Production on 1994
= 20000/10000 * Production on 1994
= 2 * Production on 1994
∴ Required % Increase = {(Production on 1996 - Production on 1994)/ Production on 1994}*100%
Consider, Production on 1994 = x. Then, Production on 1996 = 2x.
= (2x  x)/x * 100%= 100%


aptitude_percentages.htm

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