# Quantitative Aptitude Questions and Answers - Percentage

11. Rahul gets 75% marks in examinations. If these are 600 marks, find the maximum marks.

A. 800

B. 900

C. 1000

D. 1200

View Answer

Ans : A

Explanation: Let the maximum marks be x

Then 75 % of x = 600

75/100 × x = 600

x = (600 × 100)/75

s = 800

Therefore, maximum marks in the examinations are 800.

12. A cricket team lost 60% of the matches it played. If it won 40 matches, find the number of matches it
played.

A. 80

B. 90

C. 100

D. 120

View Answer

Ans : C

Explanation: Percentage of matches lost = 60%

Therefore Percentage of matches won (100 - 60) % = 40%

Let the number of matches played be x.

Then 40 % of x = 40

40/100 × x =40

x = (40 × 100)/40

x = (4000)/40

x = 100

Therefore, the total number of matches played is 100

13. In a basket of eggs, 25% of them are rotten and 30 are in good condition. Find the total number of eggs in
the basket.

A. 35

B. 40

C. 45

D. 50

View Answer

Ans : B

Explanation: Let the total number of eggs in the basket be x

25 % of the eggs are rotten, and eggs in good condition are 30

Therefore, according to the question,

75% of x = 30

75/100 × x = 30

x = (30 × 100)/75

x = 40

Therefore, total number of eggs in the basket is 40

14. One fifth of third of half of a number is 50.What will be 20% of that number?

A. 250

B. 300

C. 350

D. 400

View Answer

Ans : B

Explanation: (1/5) ×(1/3)×(1/2)× x = 50

x/30 =50

x = 50*30

x = 1500

20 % of 1500

= 300

15. Two employees A and B are paid a total of Rs. 5000 per week by their employer. If A is paid 150 percent
of the sum paid to B, how much is B paid per week?

A. 1900

B. 2000

C. 2050

D. 2100

View Answer

Ans : B

Explanation: Let the amount paid to A per week = x

and the amount paid to B per week = y

Then x + y = 5000

But x = 150% of y

= 150y/100

= 15y/10

∴15y/10 + y = 5000

⇒ y[15/10 + 1] = 5000

⇒ 25y = 50000

⇒ y = 50000/25

y = Rs.2000

16. Forty percent of Mouli’s annual salary is equal to 160% of Surya’s annual salary. Surya’s monthly salary
is 80%of Gowthaman’s monthly salary. If Gowthaman’s annual salary is ` 12 lacs, what is Mouli’s monthly
salary ?

A. 180000

B. 120000

C. 320000

D. 250000

View Answer

Ans : C

Explanation: Gowthaman’s monthly salary = 12,00,000/12

= 1,00,000

Surya’s monthly salary = 1,00,000 x 80/100

= 80,000

Mouli’s monthly salary = 80,000x 1600/40

=3,20,000

17. A candidate scoring 50% in an examination fails by 60 marks , while another candidate scores 75 %
mark, gets 40 marks more than the minimum pass marks . Find the minimum pass mark.

A. 180

B. 200

C. 210

D. 220

View Answer

Ans : D

Explanation: Let x be the maximum marks,

Then (50% of x)+60 = (75% of x)-40

x/2 +60 = 3x/4 -20

60+20 = 3x/4 – x/ 2

X=320

Hence maximum marks = 320

Minimum pass marks = 320/2 + 60 = 220

18. Find the increase value if 450 is increased by 90 %.

A. 850

B. 855

C. 860

D. 865

View Answer

Ans : B

Explanation: Increase = 90 % of 450

= 90/100 × 450

= 40500/100

= 405

Therefore, increase value = 450 + 405 = 855

19. In an election between two candidates, one got 45% of the total valid votes, 40% of the votes were
invalid. If the total number of votes was 15000, the number of valid votes that the other candidate got, was .

A. 4900

B. 4950

C. 5000

D. 5050

View Answer

Ans : B

Explanation: Total number of votes = 15000

Given that 40% of Percentage votes were invalid

=> Valid votes = 60%

Total valid votes = 15000* 60/100

1st candidate got 45% of the total valid votes.

Hence the 2nd candidate should have got 55% of the total valid votes

=> Valid votes that 2nd candidate got = total valid votes x 55/100

=15000*60/100*55/100

=4950

20. In a college election between two candidates, one candidate got 25% of the total valid votes. 30% of the
votes were invalid. If the total votes were 7600, what is the number of valid votes the other candidate got ?

A. 3990

B. 4000

C. 4050

D. 4100

View Answer

Ans : A

Explanation: Total valid votes = 70% of 7600 = 5320

Number of valid votes to other candidate = 75% of 5320

= 75/100 *5320

= 399000/100

= 3990

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