Percentage Practice Questions for SSC & Railway Exams – Set 2
This is the second percentage practice set for students preparing for SSC CGL, SSC CHSL, SSC MTS, SSC GD, RRB NTPC, Railway Group D and other competitive examinations.
This set is slightly more difficult than Set 1 and includes mixed percentage applications involving income, expenditure, marks, population, elections, reverse percentage and successive changes.
Try solving every question before checking the answer.
Questions
1.
45% of a number is 360. Find the number.
A) 720
B) 760
C) 800
D) 840
Answer: C) 800
2.
A number is 25% more than 480. Find the number.
A) 560
B) 580
C) 600
D) 620
Answer: C) 600
3.
A number is decreased by 20% and becomes 640. Find the original number.
A) 720
B) 760
C) 800
D) 840
Answer: C) 800
4.
A person's salary increases from ₹32,000 to ₹38,400. Find the percentage increase.
A) 15%
B) 18%
C) 20%
D) 25%
Answer: C) 20%
5.
The price of an article decreases from ₹2,500 to ₹2,125. Find the percentage decrease.
A) 10%
B) 12%
C) 15%
D) 18%
Answer: C) 15%
6.
A number is increased by 25% and then by 20%. Find the net percentage increase.
A) 40%
B) 45%
C) 50%
D) 52%
Answer: C) 50%
7.
A number is decreased by 20% and then decreased again by 10%. Find the net percentage decrease.
A) 26%
B) 28%
C) 30%
D) 32%
Answer: B) 28%
8.
A number is increased by 40% and then decreased by 25%. Find the net change.
A) 5% increase
B) 5% decrease
C) 10% increase
D) No change
Answer: A) 5% increase
9.
A number is decreased by 25%. By what percentage should it be increased to restore the original value?
A) 25%
B) 30%
C) 33⅓%
D) 40%
Answer: C) 33⅓%
10.
A number is increased by 25%. By what percentage should it be reduced to restore the original value?
A) 15%
B) 20%
C) 25%
D) 30%
Answer: B) 20%
Income and Expenditure
11.
A person earns ₹50,000 and spends 70% of the income. Find the monthly savings.
A) ₹12,000
B) ₹15,000
C) ₹18,000
D) ₹20,000
Answer: B) ₹15,000
12.
A person's income is increased by 25% while expenditure increases by 20%. Initially, income is ₹40,000 and expenditure is ₹30,000. Find the percentage increase in savings.
A) 30%
B) 35%
C) 40%
D) 50%
Answer: C) 40%
Explanation:
Original saving = ₹10,000
New income = ₹50,000
New expenditure = ₹36,000
New saving = ₹14,000
Increase = ₹4,000 = 40%
13.
The price of wheat rises by 20%. By what percentage should consumption be reduced to keep expenditure unchanged?
A) 15%
B) 16⅔%
C) 18%
D) 20%
Answer: B) 16⅔%
14.
The price of a commodity falls by 25%. By what percentage may consumption increase while expenditure remains unchanged?
A) 25%
B) 30%
C) 33⅓%
D) 40%
Answer: C) 33⅓%
Marks
15.
A student obtains 420 marks out of 600. Find the percentage.
A) 65%
B) 68%
C) 70%
D) 72%
Answer: C) 70%
16.
A student needs 40% marks to pass. He obtains 220 marks and fails by 20 marks. Find the maximum marks.
A) 500
B) 550
C) 600
D) 650
Answer: C) 600
17.
One candidate scores 25% marks and fails by 60 marks. Another candidate scores 40% and obtains 30 marks more than the passing score. Find the maximum marks.
A) 500
B) 550
C) 600
D) 650
Answer: C) 600
Explanation:
Difference between their marks = 60 + 30 = 90
Difference in percentage = 40% - 25% = 15%
15% = 90
100% = 600
18.
A student obtains 75% marks and scores 525 marks. Find the maximum marks.
A) 650
B) 700
C) 750
D) 800
Answer: B) 700
Population
19.
The population of a city is 1,20,000. It increases by 10%. Find the new population.
A) 1,28,000
B) 1,30,000
C) 1,32,000
D) 1,35,000
Answer: C) 1,32,000
20.
A town's population increases by 20% in the first year and decreases by 10% in the second year. Find the net change.
A) 6% increase
B) 8% increase
C) 10% increase
D) 12% increase
Answer: B) 8% increase
21.
The population of a town is 96,800 after increasing by 10% in each of two consecutive years. Find the population two years earlier.
A) 75,000
B) 80,000
C) 82,000
D) 88,000
Answer: B) 80,000
Election Questions
22.
In an election between two candidates, the winner gets 58% of the valid votes and wins by 3,200 votes. Find the total valid votes.
A) 18,000
B) 20,000
C) 22,000
D) 25,000
Answer: B) 20,000
Explanation:
Difference = 58% - 42% = 16%
16% = 3,200
100% = 20,000
23.
In an election between two candidates, the loser gets 45% of the valid votes and loses by 4,000 votes. Find the total valid votes.
A) 30,000
B) 35,000
C) 40,000
D) 45,000
Answer: C) 40,000
24.
In an election, 20% of registered voters do not vote. The winner receives 60% of the votes cast and gets 24,000 votes. Find the total number of registered voters.
A) 45,000
B) 48,000
C) 50,000
D) 52,000
Answer: C) 50,000
Explanation:
60% of votes cast = 24,000
Votes cast = 40,000
This is 80% of registered voters.
Registered voters = 40,000 × 100/80
= 50,000
25.
A number is increased by 20%, decreased by 10% and then increased by 25%. Find the overall percentage change.
A) 30% increase
B) 32% increase
C) 35% increase
D) 40% increase
Answer: C) 35% increase
Explanation:
Assume number = 100.
After 20% increase = 120
After 10% decrease = 108
After 25% increase = 135
Net increase = 35%
Answer Key
C
C
C
C
C
C
B
A
C
B
B
C
B
C
C
C
C
B
C
B
B
B
C
C
C