Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 200 · 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.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹850 (b) ₹10200 (c) ₹1700 (d) ₹2550
2. 2.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹9720 (c) ₹9540 (d) ₹540
3. 3.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
4. 4.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
5. 5.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2280 (b) ₹10070 (c) ₹12350 (d) ₹11780
6. 6.₹5000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹5600 (c) ₹5300 (d) ₹5900
7. 7.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹2240 (b) ₹300 (c) ₹240 (d) ₹60
8. 8.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹1120 (b) ₹280 (c) ₹4620 (d) ₹1400
9. 9.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 8% (b) 9% (c) 36% (d) 10%
10. 10.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹11210 (b) ₹9785 (c) ₹1425 (d) ₹10925
11. 11.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
12. 12.₹4000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹6000 (b) ₹4400 (c) ₹6400 (d) ₹2000
13. 13.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹70 (b) ₹280 (c) ₹1280 (d) ₹350
14. 14.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹4080 (c) ₹1080 (d) ₹1350
15. 15.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3090 (c) ₹3180 (d) ₹180
16. 16.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
17. 17.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹1000 (c) ₹2000 (d) ₹3000
18. 18.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹4050 (b) ₹1260 (c) ₹1050 (d) ₹210
19. 19.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹4080 (c) ₹1080 (d) ₹4440
20. 20.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9180 (b) ₹9520 (c) ₹8840 (d) ₹680
21. 21.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
22. 22.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹11600 (c) ₹1600 (d) ₹12000
23. 23.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
24. 24.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹6200 (c) ₹800 (d) ₹5800
25. 25.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹160 (c) ₹2240 (d) ₹2080
26. 26.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
27. 27.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
28. 28.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
29. 29.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹8100 (c) ₹2400 (d) ₹9900
30. 30.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹1140 (b) ₹2280 (c) ₹11780 (d) ₹3420
31. 31.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹300 (b) ₹1725 (c) ₹75 (d) ₹225
32. 32.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
33. 33.₹3000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹3960 (c) ₹3720 (d) ₹3240
34. 34.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
35. 35.What is the simple interest on ₹5500 at 4% per year for 5 years? (a) ₹6600 (b) ₹1320 (c) ₹220 (d) ₹1100
36. 36.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
37. 37.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
38. 38.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
39. 39.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
40. 40.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%

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