Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 395 · 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.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹6240 (c) ₹6360 (d) ₹240
2. 2.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
3. 3.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5700 (b) ₹5350 (c) ₹700 (d) ₹6050
4. 4.The simple interest on ₹8000 for 3 years is ₹2640. What is the rate per year? (a) 11% (b) 33% (c) 12% (d) 10%
5. 5.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹80 (c) ₹2120 (d) ₹2080
6. 6.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹10125 (b) ₹9600 (c) ₹2100 (d) ₹8025
7. 7.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9990 (b) ₹10980 (c) ₹11970 (d) ₹1980
8. 8.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
9. 9.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
10. 10.₹10000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹900 (c) ₹10900 (d) ₹10300
11. 11.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6660 (b) ₹2640 (c) ₹9300 (d) ₹8640
12. 12.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
13. 13.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
14. 14.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%
15. 15.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹1080 (c) ₹10350 (d) ₹9270
16. 16.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹2550 (b) ₹510 (c) ₹11050 (d) ₹3060
17. 17.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
18. 18.₹7000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8750 (b) ₹7350 (c) ₹8400 (d) ₹1400
19. 19.In how many years will ₹5500 earn ₹2475 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
20. 20.In how many years will ₹2000 earn ₹300 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
21. 21.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹375 (c) ₹250 (d) ₹125
22. 22.₹6000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7200 (b) ₹1200 (c) ₹6600 (d) ₹7800
23. 23.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹8400 (d) ₹900
24. 24.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
25. 25.The simple interest on ₹5000 for 3 years is ₹1200. What is the rate per year? (a) 9% (b) 8% (c) 24% (d) 7%
26. 26.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
27. 27.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹2160 (b) ₹10440 (c) ₹720 (d) ₹1440
28. 28.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
29. 29.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
30. 30.The simple interest on ₹9000 for 5 years is ₹4500. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
31. 31.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
32. 32.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
33. 33.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹2295 (b) ₹3060 (c) ₹765 (d) ₹10795
34. 34.The simple interest on ₹1000 for 4 years is ₹280. What is the rate per year? (a) 6% (b) 28% (c) 8% (d) 7%
35. 35.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹3625 (c) ₹900 (d) ₹3400
36. 36.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹320 (c) ₹8480 (d) ₹8160
37. 37.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹9350 (b) ₹170 (c) ₹1020 (d) ₹850
38. 38.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹1620 (c) ₹11160 (d) ₹10620
39. 39.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹135 (b) ₹1770 (c) ₹405 (d) ₹270
40. 40.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹960 (b) ₹320 (c) ₹640 (d) ₹8640

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