Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 476 · 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.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹150 (c) ₹2650 (d) ₹2550
2. 2.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1700 (b) ₹9350 (c) ₹10200 (d) ₹11050
3. 3.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹5000 (b) ₹6000 (c) ₹15000 (d) ₹1000
4. 4.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹1440 (b) ₹9200 (c) ₹240 (d) ₹1200
5. 5.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
6. 6.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2875 (b) ₹3000 (c) ₹375 (d) ₹2625
7. 7.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹1045 (b) ₹2090 (c) ₹3135 (d) ₹11590
8. 8.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹300 (b) ₹375 (c) ₹2800 (d) ₹75
9. 9.In how many years will ₹7000 earn ₹3850 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
10. 10.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹120 (c) ₹3120 (d) ₹3180
11. 11.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹6480 (b) ₹720 (c) ₹480 (d) ₹240
12. 12.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹360 (c) ₹1620 (d) ₹1860
13. 13.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
14. 14.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 36% (b) 10% (c) 9% (d) 8%
15. 15.₹8000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹13760 (c) ₹12800 (d) ₹8960
16. 16.₹8500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8670 (b) ₹9010 (c) ₹510 (d) ₹9180
17. 17.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 12% (d) 2%
18. 18.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹720 (b) ₹2480 (c) ₹480 (d) ₹240
19. 19.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹300 (d) ₹8400
20. 20.What is the simple interest on ₹7000 at 7% per year for 4 years? (a) ₹1960 (b) ₹8960 (c) ₹2450 (d) ₹490
21. 21.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹9280 (b) ₹1600 (c) ₹1280 (d) ₹320
22. 22.The simple interest on ₹5500 for 3 years is ₹990. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 18%
23. 23.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2950 (b) ₹2650 (c) ₹300 (d) ₹2800
24. 24.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 10% (b) 12% (c) 44% (d) 11%
25. 25.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹5600 (c) ₹3850 (d) ₹1750
26. 26.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹1270 (c) ₹1180 (d) ₹1090
27. 27.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 24% (b) 7% (c) 5% (d) 6%
28. 28.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
29. 29.₹9000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹13050 (b) ₹3240 (c) ₹12240 (d) ₹9810
30. 30.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹6160 (c) ₹6820 (d) ₹7480
31. 31.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹405 (b) ₹540 (c) ₹4905 (d) ₹135
32. 32.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹600 (b) ₹500 (c) ₹100 (d) ₹3000
33. 33.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
34. 34.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
35. 35.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
36. 36.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
37. 37.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹350 (b) ₹1420 (c) ₹1350 (d) ₹1070
38. 38.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
39. 39.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹180 (c) ₹4590 (d) ₹4680
40. 40.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years

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