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Quantitative Aptitude · Bank exam practice

Percentage questions for bank exams

Percentage is the base of profit and loss, interest, DI and mixtures. These questions check percent change, successive changes and percentage of a quantity. Plutomonk has 1,040 Percentage questions in Prelims and Mains sets of 10, each with a worked solution. They are useful for IBPS PO, SBI PO, IBPS Clerk, SBI Clerk, IBPS RRB and RBI Assistant.

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Quick tip

Know 1/7 = 14.28%, 1/8 = 12.5%, 1/9 = 11.11% and 1/11 = 9.09%. Fractions are faster than decimals.

Percentage sample questions with answers

These are from the first Prelims and Mains sets. Try each question before you open the solution.

Q1. A number increased by 10% becomes 2167. Find the number.

  1. 1970
  2. 1734
  3. 1920
  4. 2020
  5. 1980
Show answer and solution

Answer: A. 1970

Number × 1.1 = 2167, so number = 1970.

Q2. What is 12% of 500?

  1. 120
  2. 85
  3. 50
  4. 60
  5. 70
Show answer and solution

Answer: D. 60

500 × 12/100 = 60.

Q3. What is 45% of 1460?

  1. 667
  2. 657
  3. 730
  4. 1314
  5. 647
Show answer and solution

Answer: B. 657

1460 × 45/100 = 657.

Q4. A number increased by 30% becomes 1989. Find the number.

  1. 1530
  2. 1580
  3. 1392.3
  4. 1480
  5. 1540
Show answer and solution

Answer: A. 1530

Number × 1.3 = 1989, so number = 1530.

Q5. A number increased by 25% becomes 837.5. Find the number.

  1. 670
  2. 720
  3. 620
  4. 628.125
  5. 680
Show answer and solution

Answer: A. 670

Number × 1.25 = 837.5, so number = 670.

Q6. A number increased by 20% becomes 852. Find the number.

  1. 710
  2. 682
  3. 720
  4. 681.6
  5. 660
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Answer: A. 710

Number × 1.2 = 852, so number = 710.

Q7. What is 15% of 1840?

  1. 276
  2. 277
  3. 266
  4. 368
  5. 286
Show answer and solution

Answer: A. 276

1840 × 15/100 = 276.

Q8. A number increased by 10% becomes 814. Find the number.

  1. 690
  2. 790
  3. 651
  4. 740
  5. 750
Show answer and solution

Answer: D. 740

Number × 1.1 = 814, so number = 740.

Q9. If A's salary is 20% more than B's, by what percent is B's salary less than A's?

  1. 20%
  2. 18.67%
  3. 16.67%
  4. 13.67%
  5. 10%
Show answer and solution

Answer: C. 16.67%

Required = 20/(100 + 20) × 100 = 16.67%.

Q10. The price of a commodity rises by 20% and then falls by 40%. Find the net change.

  1. -26%
  2. +8%
  3. -20%
  4. 28%
  5. -28%
Show answer and solution

Answer: E. -28%

Net = 20 − 40 − (20 × 40)/100 = -28%.

Q11. If A's salary is 40% more than B's, by what percent is B's salary less than A's?

  1. 66.67%
  2. 30.57%
  3. 25.57%
  4. 40%
  5. 28.57%
Show answer and solution

Answer: E. 28.57%

Required = 40/(100 + 40) × 100 = 28.57%.

Q12. If A's salary is 30% more than B's, by what percent is B's salary less than A's?

  1. 15%
  2. 25.08%
  3. 23.08%
  4. 20.08%
  5. 42.86%
Show answer and solution

Answer: C. 23.08%

Required = 30/(100 + 30) × 100 = 23.08%.

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