Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 671 · 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 ₹3500 at 11% per year for 3 years? (a) ₹4655 (b) ₹385 (c) ₹1540 (d) ₹1155
2. 2.In how many years will ₹8000 earn ₹3200 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
3. 3.In how many years will ₹5000 earn ₹2000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
4. 4.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹1200 (b) ₹250 (c) ₹200 (d) ₹50
5. 5.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹1170 (c) ₹8255 (d) ₹7670
6. 6.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹405 (c) ₹270 (d) ₹135
7. 7.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹3400 (d) ₹300
8. 8.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8125 (b) ₹6825 (c) ₹7800 (d) ₹1300
9. 9.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 12% (b) 2% (c) 3% (d) 4%
10. 10.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹3840 (b) ₹4800 (c) ₹11840 (d) ₹960
11. 11.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2650 (b) ₹3250 (c) ₹3100 (d) ₹600
12. 12.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
13. 13.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹7020 (b) ₹130 (c) ₹650 (d) ₹520
14. 14.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 44%
15. 15.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.In how many years will ₹7500 earn ₹4500 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
17. 17.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
18. 18.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹2400 (b) ₹1800 (c) ₹7800 (d) ₹600
19. 19.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8800 (b) ₹1600 (c) ₹9600 (d) ₹10400
20. 20.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹540 (c) ₹5310 (d) ₹4770
21. 21.What is the simple interest on ₹8500 at 7% per year for 5 years? (a) ₹2975 (b) ₹595 (c) ₹3570 (d) ₹11475
22. 22.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
23. 23.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8670 (b) ₹9350 (c) ₹850 (d) ₹9520
24. 24.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
25. 25.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
26. 26.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹4800 (d) ₹1800
27. 27.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1320 (b) ₹7150 (c) ₹6820 (d) ₹5830
28. 28.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
29. 29.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹5800 (b) ₹1200 (c) ₹400 (d) ₹800
30. 30.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
31. 31.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
32. 32.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1070 (b) ₹350 (c) ₹1350 (d) ₹1420
33. 33.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹100 (b) ₹400 (c) ₹2400 (d) ₹500
34. 34.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹2700 (b) ₹900 (c) ₹11800 (d) ₹1800
35. 35.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
36. 36.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
37. 37.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
38. 38.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
39. 39.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹360 (b) ₹90 (c) ₹270 (d) ₹3270
40. 40.In how many years will ₹8000 earn ₹2240 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years

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