Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 82 · 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.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹810 (c) ₹5310 (d) ₹5580
2. 2.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
3. 3.The simple interest on ₹9000 for 4 years is ₹2520. What is the rate per year? (a) 7% (b) 6% (c) 28% (d) 8%
4. 4.What is the simple interest on ₹5000 at 9% per year for 5 years? (a) ₹450 (b) ₹7250 (c) ₹2250 (d) ₹2700
5. 5.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2800 (b) ₹300 (c) ₹2950 (d) ₹2650
6. 6.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 24% (b) 12% (c) 11% (d) 13%
7. 7.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹650 (b) ₹1300 (c) ₹7800 (d) ₹1950
8. 8.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
9. 9.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹7020 (c) ₹7280 (d) ₹6760
10. 10.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
11. 11.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹3330 (c) ₹660 (d) ₹3660
12. 12.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
13. 13.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 10% (b) 8% (c) 36% (d) 9%
14. 14.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1125 (b) ₹3625 (c) ₹2725 (d) ₹3850
15. 15.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3640 (b) ₹3920 (c) ₹420 (d) ₹4060
16. 16.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
17. 17.₹7000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹8680 (c) ₹9240 (d) ₹7560
18. 18.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹3175 (b) ₹2725 (c) ₹3400 (d) ₹675
19. 19.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
20. 20.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
21. 21.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%
22. 22.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹120 (c) ₹1680 (d) ₹1560
23. 23.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
24. 24.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹1620 (b) ₹180 (c) ₹120 (d) ₹60
25. 25.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹10500 (b) ₹7700 (c) ₹3500 (d) ₹11200
26. 26.In how many years will ₹7500 earn ₹1575 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
27. 27.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
28. 28.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
29. 29.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
30. 30.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10925 (b) ₹9785 (c) ₹1425 (d) ₹11210
31. 31.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹10075 (b) ₹715 (c) ₹4290 (d) ₹3575
32. 32.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹420 (b) ₹1260 (c) ₹7840 (d) ₹840
33. 33.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3815 (c) ₹210 (d) ₹3605
34. 34.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 12% (b) 10% (c) 55% (d) 11%
35. 35.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹1725 (b) ₹225 (c) ₹300 (d) ₹75
36. 36.The simple interest on ₹8000 for 3 years is ₹2160. What is the rate per year? (a) 9% (b) 27% (c) 8% (d) 10%
37. 37.What is the simple interest on ₹6000 at 6% per year for 4 years? (a) ₹1440 (b) ₹7440 (c) ₹1800 (d) ₹360
38. 38.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹190 (b) ₹570 (c) ₹380 (d) ₹9880
39. 39.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 2%
40. 40.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad