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 - 45% of 750 - 25% of 480 = ?

A - 219

B - 217.50

C - 325

D - 135

Answer : B

Explanation

= (45100 x 750)  - (25100) x 480)
= 337.50 - 120
= 217.50

Q 2 - If a number p is 10% less than another number q and q is 10% more than 125, then p is equal to?

A - 123

B - 123.75

C - 132.50

D - 132.25

Answer : B

Explanation

q = 125 + 10% of 125 = 137.50
p = 137.50 - 10% of 137.50 = 123.75

Q 3 - In a competitive examination in Zone A, 6% candidates got selected from the total appeared candidates. Zone B had an equal number of candidates appeared and 7% candidates got selected with 80 more candidates got selected than A. What was the number of candidates appeared from each Zone?

A - 8000

B - 9000

C - 7600

D - 9800

Answer : A

Explanation

Let p be the number of candidates appeared from each zone.
Then, 7% of p - 6% of p = 80
p = 80 x 100 = 8000

Q 4 - Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of marks. The marks obtained by them are?

A - 56, 44

B - 42, 33

C - 30, 43

D - none of these

Answer : B

Explanation

Let m + 9 and m be the marks of two students
Then, m + 9 = 56100(m + 9 + m)
→ 3m = 99
→ m = 33
Therefore, marks = (m + 9) = 42 and 33.

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 - 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 - Water tax is increased by 30% but its consumption is decreased by 20%. Then, the increase or decreased in the expenditure of the money is

A - no change

B - 5% increase

C - 4% decrease

D - 4 % increase

Answer : D

Explanation

Let tax =Rs.100 and
Consumption = 100 units
Original expenditure = Rs.100*100=Rs.10000
New expenditure=Rs.(130*80)  =Rs. 10400
Increase in expenditure by 4 %

Q 8 - A student who secures 30% marks in an exam fails by 30 marks .Another student who secures 35% marks gets 42 marks more than required to pass .the percentage of marks required is

A - 32.08%

B - 22.05%

C - 29.33%

D - 35%

Answer : A

Explanation

30% of x + 30= 35% of x -42
Or 5% of x =72
=>x=1440
Pass marks =30% of 1440 +30=432+30=462
Pass percentage = 462/1440*100=32.08% 

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 - 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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