Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 250 · 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 ₹5500 earn ₹440 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
2. 2.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹2600 (c) ₹3000 (d) ₹500
3. 3.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹500 (b) ₹750 (c) ₹250 (d) ₹3000
4. 4.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
5. 5.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹12800 (b) ₹2800 (c) ₹3500 (d) ₹700
6. 6.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹945 (b) ₹630 (c) ₹5130 (d) ₹315
7. 7.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹700 (d) ₹5700
8. 8.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹2160 (b) ₹240 (c) ₹160 (d) ₹80
9. 9.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹1155 (b) ₹385 (c) ₹6270 (d) ₹770
10. 10.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
11. 11.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹11160 (b) ₹2880 (c) ₹720 (d) ₹2160
12. 12.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹5995 (c) ₹6985 (d) ₹7480
13. 13.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹195 (b) ₹7085 (c) ₹585 (d) ₹780
14. 14.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
15. 15.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1760 (b) ₹1320 (c) ₹440 (d) ₹5320
16. 16.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹1000 (b) ₹200 (c) ₹800 (d) ₹3300
17. 17.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
18. 18.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
19. 19.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1425 (b) ₹285 (c) ₹10640 (d) ₹1140
20. 20.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
21. 21.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹7480 (c) ₹5830 (d) ₹1650
22. 22.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹275 (b) ₹1100 (c) ₹3600 (d) ₹1375
23. 23.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹8400 (c) ₹10400 (d) ₹10000
24. 24.The simple interest on ₹2000 for 2 years is ₹200. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
25. 25.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹700 (b) ₹2140 (c) ₹2840 (d) ₹2700
26. 26.In how many years will ₹8000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
27. 27.₹6000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹8400 (c) ₹9000 (d) ₹2400
28. 28.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
29. 29.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
30. 30.₹5500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6600 (b) ₹5720 (c) ₹6820 (d) ₹1100
31. 31.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹3200 (b) ₹175 (c) ₹875 (d) ₹700
32. 32.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3060 (b) ₹9265 (c) ₹11560 (d) ₹12325
33. 33.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹6820 (c) ₹7480 (d) ₹6160
34. 34.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
35. 35.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
36. 36.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹5720 (c) ₹6600 (d) ₹6380
37. 37.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
38. 38.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
39. 39.The simple interest on ₹6000 for 3 years is ₹1980. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
40. 40.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%

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