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IBPS RRB PO Simple & Compound Interest Questions with Answers & Explanations

20 Simple & Compound Interest questions from the Quantitative Aptitude section of IBPS RRB PO, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

What is the compound interest on ₹13,200 for 2 years at 5% per annum, compounded annually?

  1. A₹2,013
  2. B₹1,488.30
  3. C₹1,320
  4. D₹1,353
  5. E₹1,221
Show answer
Answer: (D) ₹1,353 CI = P[(1 + R/100)² − 1] = ₹1,353.
Question 2

What is the simple interest on ₹17,000 at 10% per annum for 4 years?

  1. A₹5,100
  2. B₹7,480
  3. C₹8,500
  4. D₹6,800
  5. E₹1,700
Show answer
Answer: (D) ₹6,800 SI = P × R × T / 100 = 17000 × 10 × 4 / 100 = ₹6,800.
Question 3

What is the compound interest on ₹3,300 for 2 years at 20% per annum, compounded annually?

  1. A₹1,419
  2. B₹1,320
  3. C₹1,452
  4. D₹2,112
  5. E₹1,597.20
Show answer
Answer: (C) ₹1,452 CI = P[(1 + R/100)² − 1] = ₹1,452.
Question 4

What is the simple interest on ₹3,000 at 6% per annum for 2 years?

  1. A₹396
  2. B₹360
  3. C₹540
  4. D₹180
  5. ENone of these
Show answer
Answer: (B) ₹360 SI = P × R × T / 100 = 3000 × 6 × 2 / 100 = ₹360.
Question 5

What is the simple interest on ₹15,500 at 12% per annum for 3 years?

  1. A₹1,860
  2. B₹6,138
  3. C₹7,440
  4. D₹3,720
  5. E₹5,580
Show answer
Answer: (E) ₹5,580 SI = P × R × T / 100 = 15500 × 12 × 3 / 100 = ₹5,580.
Question 6

What is the difference between compound interest and simple interest on ₹600 for 2 years at 20% per annum?

  1. A₹120
  2. B₹24
  3. C₹34
  4. D₹36
  5. E₹48
Show answer
Answer: (B) ₹24 For 2 years, CI − SI = P × (R/100)² = ₹24.
Question 7

What is the simple interest on ₹4,500 at 6% per annum for 2 years?

  1. A₹810
  2. B₹270
  3. C₹540
  4. D₹594
  5. ENone of these
Show answer
Answer: (C) ₹540 SI = P × R × T / 100 = 4500 × 6 × 2 / 100 = ₹540.
Question 8

What is the compound interest on ₹11,200 for 2 years at 5% per annum, compounded annually?

  1. A₹1,262.80
  2. B₹1,148
  3. C₹1,708
  4. D₹1,120
  5. E₹1,036
Show answer
Answer: (B) ₹1,148 CI = P[(1 + R/100)² − 1] = ₹1,148.
Question 9

What is the simple interest on ₹26,000 at 10% per annum for 3 years?

  1. A₹10,400
  2. B₹5,200
  3. C₹2,600
  4. D₹8,580
  5. E₹7,800
Show answer
Answer: (E) ₹7,800 SI = P × R × T / 100 = 26000 × 10 × 3 / 100 = ₹7,800.
Question 10

What is the difference between compound interest and simple interest on ₹2,100 for 2 years at 10% per annum?

  1. A₹210
  2. B₹21
  3. C₹31.50
  4. D₹31
  5. E₹42
Show answer
Answer: (B) ₹21 For 2 years, CI − SI = P × (R/100)² = ₹21.

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Question 11

What is the simple interest on ₹26,500 at 4% per annum for 2 years?

  1. A₹2,332
  2. B₹1,060
  3. C₹2,120
  4. D₹3,180
  5. ENone of these
Show answer
Answer: (C) ₹2,120 SI = P × R × T / 100 = 26500 × 4 × 2 / 100 = ₹2,120.
Question 12

What is the compound interest on ₹3,200 for 2 years at 20% per annum, compounded annually?

  1. A₹1,408
  2. B₹2,048
  3. C₹1,548.80
  4. D₹1,376
  5. E₹1,280
Show answer
Answer: (A) ₹1,408 CI = P[(1 + R/100)² − 1] = ₹1,408.
Question 13

What is the simple interest on ₹11,500 at 5% per annum for 6 years?

  1. A₹4,025
  2. B₹3,795
  3. C₹3,450
  4. D₹575
  5. E₹2,875
Show answer
Answer: (C) ₹3,450 SI = P × R × T / 100 = 11500 × 5 × 6 / 100 = ₹3,450.
Question 14

What is the difference between compound interest and simple interest on ₹10,400 for 2 years at 5% per annum?

  1. A₹520
  2. B₹26
  3. C₹36
  4. D₹52
  5. E₹39
Show answer
Answer: (B) ₹26 For 2 years, CI − SI = P × (R/100)² = ₹26.
Question 15

What is the simple interest on ₹14,000 at 5% per annum for 3 years?

  1. A₹700
  2. B₹1,400
  3. C₹2,800
  4. D₹2,310
  5. E₹2,100
Show answer
Answer: (E) ₹2,100 SI = P × R × T / 100 = 14000 × 5 × 3 / 100 = ₹2,100.
Question 16

What is the compound interest on ₹2,500 for 2 years at 20% per annum, compounded annually?

  1. A₹1,075
  2. B₹1,000
  3. C₹1,600
  4. D₹1,100
  5. E₹1,210
Show answer
Answer: (D) ₹1,100 CI = P[(1 + R/100)² − 1] = ₹1,100.
Question 17

What is the simple interest on ₹8,500 at 8% per annum for 4 years?

  1. A₹2,720
  2. B₹2,040
  3. C₹680
  4. D₹3,400
  5. E₹2,992
Show answer
Answer: (A) ₹2,720 SI = P × R × T / 100 = 8500 × 8 × 4 / 100 = ₹2,720.
Question 18

What is the compound interest on ₹8,400 for 2 years at 5% per annum, compounded annually?

  1. A₹1,281
  2. B₹861
  3. C₹777
  4. D₹840
  5. E₹947.10
Show answer
Answer: (B) ₹861 CI = P[(1 + R/100)² − 1] = ₹861.
Question 19

What is the simple interest on ₹12,000 at 5% per annum for 3 years?

  1. A₹2,400
  2. B₹1,200
  3. C₹1,980
  4. D₹600
  5. E₹1,800
Show answer
Answer: (E) ₹1,800 SI = P × R × T / 100 = 12000 × 5 × 3 / 100 = ₹1,800.
Question 20

What is the simple interest on ₹9,000 at 12% per annum for 4 years?

  1. A₹4,752
  2. B₹3,240
  3. C₹1,080
  4. D₹5,400
  5. E₹4,320
Show answer
Answer: (E) ₹4,320 SI = P × R × T / 100 = 9000 × 12 × 4 / 100 = ₹4,320.

These are RankerClub practice questions written in the IBPS RRB PO pattern. They are not official SSC/IBPS/RRB papers.

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