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Class 7–8 Maths: Simple interest practice questions

Practise simple interest for Classes 7 and 8. Try the 10-question quiz below and see each answer explained straight away, then read all 12 worked examples with answers underneath. Free, no sign-up.

Simple interest: worked examples with answers

These Maths questions are generated, so a fresh set appears every time you press "Practise more questions". Here are some worked examples.

1. Find the simple interest on ₹2,000 at 4% per year for 2 years.

   1. A. ₹120
   2. B. ₹1,600
   3. C. ₹160 ✓
   4. D. ₹16

   Answer: ₹160. Simple interest = P × R × T ÷ 100 = 2000 × 4 × 2 ÷ 100 = ₹160.

2. Find the simple interest on ₹3,000 at 4% per year for 4 years.

   1. A. ₹4,800
   2. B. ₹440
   3. C. ₹48
   4. D. ₹480 ✓

   Answer: ₹480. Simple interest = P × R × T ÷ 100 = 3000 × 4 × 4 ÷ 100 = ₹480.

3. Find the simple interest on ₹2,000 at 7% per year for 4 years.

   1. A. ₹5,600
   2. B. ₹560 ✓
   3. C. ₹760
   4. D. ₹56

   Answer: ₹560. Simple interest = P × R × T ÷ 100 = 2000 × 7 × 4 ÷ 100 = ₹560.

4. Find the simple interest on ₹3,000 at 6% per year for 4 years.

   1. A. ₹72
   2. B. ₹1,020
   3. C. ₹660
   4. D. ₹720 ✓

   Answer: ₹720. Simple interest = P × R × T ÷ 100 = 3000 × 6 × 4 ÷ 100 = ₹720.

5. Find the simple interest on ₹8,000 at 10% per year for 3 years.

   1. A. ₹2,400 ✓
   2. B. ₹10,400
   3. C. ₹2,300
   4. D. ₹3,200

   Answer: ₹2,400. Simple interest = P × R × T ÷ 100 = 8000 × 10 × 3 ÷ 100 = ₹2,400.

6. Find the simple interest on ₹6,000 at 11% per year for 5 years.

   1. A. ₹3,300 ✓
   2. B. ₹9,300
   3. C. ₹3,900
   4. D. ₹330

   Answer: ₹3,300. Simple interest = P × R × T ÷ 100 = 6000 × 11 × 5 ÷ 100 = ₹3,300.

7. Find the simple interest on ₹10,000 at 8% per year for 4 years.

   1. A. ₹4,200
   2. B. ₹3,200 ✓
   3. C. ₹3,120
   4. D. ₹32,000

   Answer: ₹3,200. Simple interest = P × R × T ÷ 100 = 10000 × 8 × 4 ÷ 100 = ₹3,200.

8. Find the simple interest on ₹6,000 at 11% per year for 2 years.

   1. A. ₹1,920
   2. B. ₹1,320 ✓
   3. C. ₹13,200
   4. D. ₹1,210

   Answer: ₹1,320. Simple interest = P × R × T ÷ 100 = 6000 × 11 × 2 ÷ 100 = ₹1,320.

9. Find the simple interest on ₹8,000 at 10% per year for 4 years.

   1. A. ₹3,200 ✓
   2. B. ₹32,000
   3. C. ₹4,000
   4. D. ₹11,200

   Answer: ₹3,200. Simple interest = P × R × T ÷ 100 = 8000 × 10 × 4 ÷ 100 = ₹3,200.

10. Find the simple interest on ₹6,000 at 4% per year for 2 years.

    1. A. ₹1,080
    2. B. ₹4,800
    3. C. ₹440
    4. D. ₹480 ✓

    Answer: ₹480. Simple interest = P × R × T ÷ 100 = 6000 × 4 × 2 ÷ 100 = ₹480.

11. Find the simple interest on ₹1,000 at 9% per year for 5 years.

    1. A. ₹1,450
    2. B. ₹360
    3. C. ₹450 ✓
    4. D. ₹45

    Answer: ₹450. Simple interest = P × R × T ÷ 100 = 1000 × 9 × 5 ÷ 100 = ₹450.

12. Find the simple interest on ₹7,000 at 9% per year for 4 years.

    1. A. ₹9,520
    2. B. ₹252
    3. C. ₹25,200
    4. D. ₹2,520 ✓

    Answer: ₹2,520. Simple interest = P × R × T ÷ 100 = 7000 × 9 × 4 ÷ 100 = ₹2,520.

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