Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 255 · 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.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹3360 (c) ₹3300 (d) ₹3060
2. 2.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹275 (b) ₹6600 (c) ₹1100 (d) ₹1375
3. 3.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
4. 4.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
5. 5.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 8% (b) 27% (c) 9% (d) 10%
6. 6.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
7. 7.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
8. 8.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹680 (b) ₹3400 (c) ₹11220 (d) ₹2720
9. 9.₹7000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7770 (b) ₹8540 (c) ₹1540 (d) ₹9310
10. 10.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
11. 11.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6760 (b) ₹7020 (c) ₹7280 (d) ₹520
12. 12.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8700 (b) ₹9300 (c) ₹8100 (d) ₹1200
13. 13.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
14. 14.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
15. 15.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3850 (b) ₹770 (c) ₹3080 (d) ₹10080
16. 16.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
17. 17.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
18. 18.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
19. 19.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹1750 (d) ₹6750
20. 20.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹1550 (b) ₹110 (c) ₹550 (d) ₹660
21. 21.In how many years will ₹4000 earn ₹880 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
22. 22.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%
23. 23.What is the simple interest on ₹4000 at 10% per year for 4 years? (a) ₹2000 (b) ₹1600 (c) ₹400 (d) ₹5600
24. 24.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 32%
25. 25.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹11625 (b) ₹4125 (c) ₹12450 (d) ₹8325
26. 26.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹4050 (b) ₹1260 (c) ₹1050 (d) ₹210
27. 27.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1040 (b) ₹1240 (c) ₹200 (d) ₹1200
28. 28.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹3240 (b) ₹120 (c) ₹360 (d) ₹240
29. 29.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
30. 30.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1020 (b) ₹8755 (c) ₹9520 (d) ₹9775
31. 31.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹9360 (b) ₹540 (c) ₹180 (d) ₹360
32. 32.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹6660 (c) ₹8640 (d) ₹9300
33. 33.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8720 (b) ₹10880 (c) ₹2880 (d) ₹11600
34. 34.₹2000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2960 (b) ₹2240 (c) ₹960 (d) ₹3200
35. 35.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 30% (b) 10% (c) 11% (d) 9%
36. 36.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
37. 37.₹4500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6660 (b) ₹1620 (c) ₹6120 (d) ₹5040
38. 38.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3605 (b) ₹3920 (c) ₹3815 (d) ₹315
39. 39.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
40. 40.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹570 (b) ₹9690 (c) ₹10070 (d) ₹10260

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