Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 974 · 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 ₹6500 for 3 years is ₹780. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
2. 2.₹1500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2130 (b) ₹525 (c) ₹1605 (d) ₹2025
3. 3.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹1470 (b) ₹490 (c) ₹980 (d) ₹7980
4. 4.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
5. 5.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹8240 (c) ₹8720 (d) ₹8480
6. 6.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
7. 7.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹300 (b) ₹60 (c) ₹240 (d) ₹2240
8. 8.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹640 (b) ₹8640 (c) ₹800 (d) ₹160
9. 9.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹3960 (c) ₹990 (d) ₹4950
10. 10.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹3000 (b) ₹500 (c) ₹100 (d) ₹600
11. 11.The simple interest on ₹9500 for 4 years is ₹4180. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
12. 12.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹240 (b) ₹320 (c) ₹2240 (d) ₹80
13. 13.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
14. 14.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
15. 15.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹960 (c) ₹1280 (d) ₹320
16. 16.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹6820 (b) ₹330 (c) ₹1650 (d) ₹1320
17. 17.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
18. 18.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
19. 19.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹1160 (b) ₹80 (c) ₹240 (d) ₹160
20. 20.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹7000 (b) ₹400 (c) ₹2000 (d) ₹2400
21. 21.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3025 (b) ₹2850 (c) ₹2675 (d) ₹350
22. 22.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹50 (b) ₹300 (c) ₹2750 (d) ₹250
23. 23.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
24. 24.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹120 (c) ₹2160 (d) ₹2120
25. 25.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
26. 26.The simple interest on ₹8500 for 4 years is ₹1020. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
27. 27.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
28. 28.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹2160 (b) ₹240 (c) ₹160 (d) ₹80
29. 29.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹3120 (c) ₹3060 (d) ₹3180
30. 30.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
31. 31.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6880 (b) ₹2400 (c) ₹4480 (d) ₹6400
32. 32.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
33. 33.In how many years will ₹8500 earn ₹3400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
34. 34.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10625 (b) ₹8925 (c) ₹10200 (d) ₹1700
35. 35.In how many years will ₹6000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
36. 36.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
37. 37.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 4% (c) 16% (d) 5%
38. 38.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
39. 39.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
40. 40.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%

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