Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 708 · 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.₹4000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹4480 (c) ₹5920 (d) ₹5440
2. 2.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
3. 3.In how many years will ₹9000 earn ₹540 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
4. 4.₹6500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7020 (b) ₹9620 (c) ₹9100 (d) ₹2600
5. 5.₹8000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1600 (b) ₹8320 (c) ₹9920 (d) ₹9600
6. 6.What is the simple interest on ₹5000 at 11% per year for 5 years? (a) ₹3300 (b) ₹550 (c) ₹2750 (d) ₹7750
7. 7.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2250 (b) ₹8250 (c) ₹9750 (d) ₹10500
8. 8.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹510 (b) ₹8755 (c) ₹9010 (d) ₹9265
9. 9.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹675 (c) ₹3400 (d) ₹3175
10. 10.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹900 (b) ₹9720 (c) ₹720 (d) ₹180
11. 11.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹340 (b) ₹9180 (c) ₹680 (d) ₹1020
12. 12.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 8% (b) 27% (c) 9% (d) 10%
13. 13.What is the simple interest on ₹7500 at 5% per year for 5 years? (a) ₹2250 (b) ₹375 (c) ₹1875 (d) ₹9375
14. 14.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
15. 15.In how many years will ₹8000 earn ₹2880 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
16. 16.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
17. 17.What is the simple interest on ₹8000 at 11% per year for 3 years? (a) ₹880 (b) ₹10640 (c) ₹3520 (d) ₹2640
18. 18.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹240 (b) ₹160 (c) ₹1160 (d) ₹80
19. 19.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹990 (b) ₹6160 (c) ₹660 (d) ₹330
20. 20.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹960 (c) ₹480 (d) ₹4960
21. 21.The simple interest on ₹6000 for 3 years is ₹2160. What is the rate per year? (a) 13% (b) 36% (c) 12% (d) 11%
22. 22.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
23. 23.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹3420 (d) ₹210
24. 24.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9750 (b) ₹9100 (c) ₹2600 (d) ₹7150
25. 25.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
26. 26.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
27. 27.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
28. 28.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10010 (b) ₹2925 (c) ₹7085 (d) ₹9425
29. 29.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
30. 30.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
31. 31.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹110 (b) ₹1550 (c) ₹660 (d) ₹550
32. 32.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
33. 33.The simple interest on ₹3500 for 3 years is ₹525. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
34. 34.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
35. 35.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹900 (b) ₹2700 (c) ₹11800 (d) ₹1800
36. 36.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
37. 37.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9775 (b) ₹8755 (c) ₹1020 (d) ₹9520
38. 38.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
39. 39.₹7000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7770 (b) ₹1540 (c) ₹8540 (d) ₹9310
40. 40.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4200 (b) ₹4400 (c) ₹400 (d) ₹4600

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