Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 340 · 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 2% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹200 (c) ₹2550 (d) ₹2750
2. 2.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
3. 3.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹10370 (b) ₹935 (c) ₹1870 (d) ₹2805
4. 4.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹600 (b) ₹6600 (c) ₹900 (d) ₹300
5. 5.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹855 (b) ₹9785 (c) ₹10640 (d) ₹10355
6. 6.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹12800 (b) ₹3840 (c) ₹11840 (d) ₹8960
7. 7.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 20%
8. 8.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹7980 (b) ₹1980 (c) ₹2640 (d) ₹660
9. 9.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹1200 (c) ₹11200 (d) ₹10600
10. 10.What is the simple interest on ₹10000 at 8% per year for 4 years? (a) ₹4000 (b) ₹800 (c) ₹13200 (d) ₹3200
11. 11.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹9300 (b) ₹660 (c) ₹3960 (d) ₹3300
12. 12.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3250 (b) ₹3900 (c) ₹9750 (d) ₹650
13. 13.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
14. 14.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
15. 15.In how many years will ₹4500 earn ₹405 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
16. 16.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
17. 17.What is the simple interest on ₹5500 at 4% per year for 5 years? (a) ₹6600 (b) ₹220 (c) ₹1100 (d) ₹1320
18. 18.In how many years will ₹9500 earn ₹1140 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
19. 19.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
20. 20.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹420 (b) ₹315 (c) ₹3815 (d) ₹105
21. 21.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
22. 22.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹60 (b) ₹1080 (c) ₹1060 (d) ₹1020
23. 23.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹6710 (c) ₹1210 (d) ₹605
24. 24.₹9500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10165 (b) ₹1995 (c) ₹12160 (d) ₹11495
25. 25.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹3840 (b) ₹2880 (c) ₹960 (d) ₹10880
26. 26.₹5000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹5900 (c) ₹5600 (d) ₹5300
27. 27.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹1320 (b) ₹320 (c) ₹80 (d) ₹400
28. 28.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
29. 29.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
30. 30.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
31. 31.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
32. 32.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹240 (b) ₹720 (c) ₹3480 (d) ₹480
33. 33.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹540 (b) ₹1860 (c) ₹360 (d) ₹180
34. 34.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹8060 (b) ₹520 (c) ₹2080 (d) ₹1560
35. 35.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
36. 36.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
37. 37.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹1200 (b) ₹6000 (c) ₹7200 (d) ₹16000
38. 38.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
39. 39.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
40. 40.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years

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