Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 618 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.The simple interest on ₹4000 for 4 years is ₹800. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 6%
2. 2.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
3. 3.What is the simple interest on ₹5000 at 6% per year for 5 years? (a) ₹300 (b) ₹6500 (c) ₹1800 (d) ₹1500
4. 4.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹500 (c) ₹1500 (d) ₹1600
5. 5.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
6. 6.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹440 (b) ₹2640 (c) ₹6200 (d) ₹2200
7. 7.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹12000 (b) ₹800 (c) ₹4800 (d) ₹4000
8. 8.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
9. 9.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹8850 (c) ₹1350 (d) ₹9300
10. 10.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
11. 11.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹440 (b) ₹1760 (c) ₹1320 (d) ₹6820
12. 12.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹45 (b) ₹225 (c) ₹270 (d) ₹1725
13. 13.₹3500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹525 (b) ₹3675 (c) ₹4025 (d) ₹4200
14. 14.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹1360 (b) ₹360 (c) ₹120 (d) ₹480
15. 15.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
16. 16.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹50 (c) ₹250 (d) ₹200
17. 17.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
18. 18.The simple interest on ₹7000 for 4 years is ₹1400. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
19. 19.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3250 (b) ₹2750 (c) ₹3500 (d) ₹750
20. 20.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
21. 21.The simple interest on ₹10000 for 5 years is ₹4000. What is the rate per year? (a) 7% (b) 40% (c) 8% (d) 9%
22. 22.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹480 (b) ₹400 (c) ₹4400 (d) ₹80
23. 23.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹12750 (b) ₹4250 (c) ₹5100 (d) ₹850
24. 24.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹10200 (b) ₹1700 (c) ₹425 (d) ₹2125
25. 25.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹3710 (c) ₹3605 (d) ₹3815
26. 26.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
27. 27.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹800 (b) ₹12400 (c) ₹3200 (d) ₹2400
28. 28.The simple interest on ₹9000 for 4 years is ₹2880. What is the rate per year? (a) 32% (b) 9% (c) 8% (d) 7%
29. 29.What is the simple interest on ₹10000 at 8% per year for 5 years? (a) ₹800 (b) ₹4800 (c) ₹4000 (d) ₹14000
30. 30.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 1% (b) 10% (c) 3% (d) 2%
31. 31.In how many years will ₹5000 earn ₹2000 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
32. 32.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹160 (c) ₹1160 (d) ₹1200
33. 33.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹675 (b) ₹135 (c) ₹5040 (d) ₹540
34. 34.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹320 (b) ₹4320 (c) ₹160 (d) ₹480
35. 35.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
36. 36.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1100 (b) ₹550 (c) ₹1650 (d) ₹6100
37. 37.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
38. 38.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹210 (c) ₹1050 (d) ₹840
39. 39.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
40. 40.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years

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