Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 2 · 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.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3375 (b) ₹3550 (c) ₹2675 (d) ₹875
2. 2.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹10400 (b) ₹3900 (c) ₹780 (d) ₹4680
3. 3.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 50%
4. 4.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
5. 5.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
6. 6.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹13300 (b) ₹4560 (c) ₹3800 (d) ₹760
7. 7.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹9860 (c) ₹1020 (d) ₹8840
8. 8.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
9. 9.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹3080 (b) ₹770 (c) ₹2310 (d) ₹9310
10. 10.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
11. 11.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 16%
12. 12.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹495 (b) ₹5665 (c) ₹5995 (d) ₹6160
13. 13.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹300 (b) ₹3240 (c) ₹240 (d) ₹60
14. 14.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 21%
15. 15.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹225 (b) ₹1125 (c) ₹1350 (d) ₹8625
16. 16.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
17. 17.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1180 (b) ₹1150 (c) ₹1030 (d) ₹150
18. 18.What is the simple interest on ₹8000 at 8% per year for 4 years? (a) ₹2560 (b) ₹3200 (c) ₹10560 (d) ₹640
19. 19.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹630 (b) ₹1890 (c) ₹10260 (d) ₹1260
20. 20.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹3300 (c) ₹150 (d) ₹450
21. 21.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹135 (b) ₹4905 (c) ₹540 (d) ₹405
22. 22.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
23. 23.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹11625 (b) ₹825 (c) ₹4950 (d) ₹4125
24. 24.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
25. 25.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 3% (b) 10% (c) 2% (d) 1%
26. 26.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
27. 27.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹8800 (b) ₹400 (c) ₹800 (d) ₹1200
28. 28.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
29. 29.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
30. 30.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9690 (b) ₹380 (c) ₹10070 (d) ₹9880
31. 31.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹150 (c) ₹75 (d) ₹2650
32. 32.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 25%
33. 33.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 9% (b) 18% (c) 8% (d) 10%
34. 34.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 36%
35. 35.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹4080 (c) ₹4320 (d) ₹320
36. 36.What is the simple interest on ₹5000 at 6% per year for 5 years? (a) ₹1800 (b) ₹1500 (c) ₹6500 (d) ₹300
37. 37.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
38. 38.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹2120 (c) ₹2480 (d) ₹2360
39. 39.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹850 (b) ₹170 (c) ₹1020 (d) ₹9350
40. 40.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹135 (b) ₹405 (c) ₹270 (d) ₹1770

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