Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 668 · 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.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3420 (b) ₹10640 (c) ₹14060 (d) ₹12920
3. 3.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
4. 4.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1020 (b) ₹1360 (c) ₹340 (d) ₹9520
5. 5.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
6. 6.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹3135 (b) ₹1045 (c) ₹12635 (d) ₹4180
7. 7.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹1800 (d) ₹11200
8. 8.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
9. 9.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11700 (b) ₹2700 (c) ₹12600 (d) ₹9900
10. 10.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹8720 (c) ₹8960 (d) ₹8240
11. 11.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 13% (b) 12% (c) 36% (d) 11%
12. 12.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹1200 (b) ₹5000 (c) ₹200 (d) ₹1000
13. 13.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
14. 14.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹5320 (b) ₹440 (c) ₹1760 (d) ₹1320
15. 15.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
16. 16.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹3120 (c) ₹3240 (d) ₹3360
17. 17.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹1890 (b) ₹630 (c) ₹10260 (d) ₹1260
18. 18.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10800 (b) ₹2800 (c) ₹8560 (d) ₹11360
19. 19.In how many years will ₹6000 earn ₹1200 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
20. 20.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10010 (b) ₹7085 (c) ₹2925 (d) ₹9425
21. 21.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
22. 22.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹12400 (b) ₹4400 (c) ₹5280 (d) ₹880
23. 23.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹6200 (b) ₹1500 (c) ₹300 (d) ₹1200
24. 24.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹8320 (b) ₹160 (c) ₹320 (d) ₹480
25. 25.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹13600 (c) ₹3600 (d) ₹14800
26. 26.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12240 (b) ₹2430 (c) ₹11430 (d) ₹9810
27. 27.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
28. 28.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹7200 (b) ₹540 (c) ₹2700 (d) ₹3240
29. 29.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
30. 30.₹10000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹15500 (b) ₹5500 (c) ₹16600 (d) ₹11100
31. 31.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹1260 (b) ₹1575 (c) ₹315 (d) ₹5760
32. 32.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
33. 33.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4360 (b) ₹5800 (c) ₹1800 (d) ₹6160
34. 34.The simple interest on ₹4500 for 4 years is ₹2160. What is the rate per year? (a) 11% (b) 12% (c) 48% (d) 13%
35. 35.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹500 (c) ₹3100 (d) ₹2600
36. 36.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 40% (b) 9% (c) 10% (d) 11%
37. 37.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹10800 (b) ₹400 (c) ₹800 (d) ₹1200
38. 38.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 11% (b) 60% (c) 13% (d) 12%
39. 39.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
40. 40.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹10500 (c) ₹7700 (d) ₹3500

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