Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 119 · 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 ₹8500 for 4 years is ₹680. What is the rate per year? (a) 8% (b) 1% (c) 3% (d) 2%
2. 2.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹240 (d) ₹6960
3. 3.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
4. 4.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
5. 5.In how many years will ₹8500 earn ₹4675 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
6. 6.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹440 (b) ₹880 (c) ₹1320 (d) ₹6380
7. 7.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
8. 8.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2490 (b) ₹825 (c) ₹1665 (d) ₹2325
9. 9.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
10. 10.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹3900 (c) ₹3750 (d) ₹3150
11. 11.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹240 (b) ₹2200 (c) ₹200 (d) ₹40
12. 12.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
13. 13.In how many years will ₹9500 earn ₹950 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
14. 14.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 9% (b) 32% (c) 7% (d) 8%
15. 15.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹90 (b) ₹360 (c) ₹450 (d) ₹1360
16. 16.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹570 (b) ₹11210 (c) ₹2280 (d) ₹1710
17. 17.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹150 (b) ₹3300 (c) ₹450 (d) ₹300
18. 18.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
19. 19.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
20. 20.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹1665 (c) ₹495 (d) ₹2160
21. 21.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹630 (b) ₹1890 (c) ₹2520 (d) ₹10890
22. 22.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
23. 23.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
24. 24.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹1860 (b) ₹360 (c) ₹90 (d) ₹450
25. 25.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹600 (b) ₹400 (c) ₹200 (d) ₹2900
26. 26.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹8840 (c) ₹9860 (d) ₹1020
27. 27.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
28. 28.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹190 (b) ₹9880 (c) ₹380 (d) ₹570
29. 29.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1590 (c) ₹1560 (d) ₹1530
30. 30.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
31. 31.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹10800 (b) ₹800 (c) ₹1200 (d) ₹400
32. 32.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
33. 33.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
34. 34.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
35. 35.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹540 (b) ₹9540 (c) ₹180 (d) ₹720
36. 36.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹6120 (b) ₹5100 (c) ₹1020 (d) ₹13600
37. 37.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
38. 38.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
39. 39.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
40. 40.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹1320 (c) ₹7260 (d) ₹6820

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