Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 240 · 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 9% per year simple interest. What is the amount after 2 years? (a) ₹3810 (b) ₹3270 (c) ₹540 (d) ₹3540
2. 2.₹7000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7770 (b) ₹1540 (c) ₹9310 (d) ₹8540
3. 3.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1680 (b) ₹1590 (c) ₹1770 (d) ₹180
4. 4.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
5. 5.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹3600 (d) ₹720
6. 6.₹9000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2880 (b) ₹9720 (c) ₹12600 (d) ₹11880
7. 7.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹3605 (c) ₹3710 (d) ₹3815
8. 8.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹350 (b) ₹525 (c) ₹2850 (d) ₹175
9. 9.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
10. 10.₹6000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹6720 (c) ₹6120 (d) ₹6600
11. 11.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 7% (b) 12% (c) 5% (d) 6%
12. 12.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5200 (b) ₹5400 (c) ₹5600 (d) ₹400
13. 13.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹900 (b) ₹720 (c) ₹180 (d) ₹9720
14. 14.In how many years will ₹4500 earn ₹1080 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
15. 15.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹190 (b) ₹950 (c) ₹10260 (d) ₹760
16. 16.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2145 (b) ₹7215 (c) ₹9360 (d) ₹8645
17. 17.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
18. 18.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹10880 (b) ₹2380 (c) ₹9095 (d) ₹11475
19. 19.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1275 (b) ₹1020 (c) ₹9520 (d) ₹255
20. 20.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
21. 21.₹7000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹7140 (c) ₹560 (d) ₹7560
22. 22.What is the simple interest on ₹6000 at 6% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹7440
23. 23.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
24. 24.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹6660 (c) ₹5040 (d) ₹7200
25. 25.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
26. 26.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1520 (b) ₹11780 (c) ₹11020 (d) ₹10260
27. 27.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
28. 28.The simple interest on ₹5000 for 2 years is ₹900. What is the rate per year? (a) 9% (b) 8% (c) 18% (d) 10%
29. 29.₹10000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹11000 (b) ₹1000 (c) ₹10200 (d) ₹11200
30. 30.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
31. 31.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
32. 32.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹640 (b) ₹2640 (c) ₹160 (d) ₹800
33. 33.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 3% (b) 2% (c) 8% (d) 1%
34. 34.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹3360 (b) ₹180 (c) ₹360 (d) ₹540
35. 35.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹2400 (c) ₹2580 (d) ₹1680
36. 36.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹720 (c) ₹7080 (d) ₹6720
37. 37.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹180 (b) ₹1545 (c) ₹1725 (d) ₹1680
38. 38.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹800 (c) ₹11200 (d) ₹10800
39. 39.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
40. 40.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1450 (b) ₹450 (c) ₹1540 (d) ₹1090

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