Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 778 · 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.The simple interest on ₹8500 for 3 years is ₹2295. What is the rate per year? (a) 8% (b) 9% (c) 27% (d) 10%
2. 2.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹330 (b) ₹1320 (c) ₹6490 (d) ₹990
3. 3.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 14% (c) 7% (d) 6%
4. 4.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
5. 5.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
6. 6.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
7. 7.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹540 (b) ₹6660 (c) ₹2160 (d) ₹2700
8. 8.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
9. 9.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
10. 10.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
11. 11.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹240 (d) ₹1180
12. 12.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹4995 (c) ₹5985 (d) ₹5490
13. 13.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8580 (b) ₹7020 (c) ₹9100 (d) ₹2080
14. 14.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
15. 15.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
16. 16.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
17. 17.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹850 (c) ₹8670 (d) ₹9350
18. 18.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
19. 19.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹560 (b) ₹140 (c) ₹420 (d) ₹7420
20. 20.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹450 (b) ₹1875 (c) ₹375 (d) ₹75
21. 21.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
23. 23.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹1080 (b) ₹5220 (c) ₹720 (d) ₹360
24. 24.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
25. 25.The simple interest on ₹5500 for 2 years is ₹990. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
26. 26.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 2%
27. 27.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8240 (b) ₹8960 (c) ₹8720 (d) ₹720
28. 28.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
29. 29.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹220 (b) ₹5940 (c) ₹440 (d) ₹660
30. 30.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹4480 (b) ₹120 (c) ₹600 (d) ₹480
31. 31.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹525 (b) ₹105 (c) ₹420 (d) ₹3920
32. 32.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 20% (b) 10% (c) 11% (d) 9%
33. 33.The simple interest on ₹2500 for 4 years is ₹1200. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
34. 34.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
35. 35.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
36. 36.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 40% (b) 8% (c) 7% (d) 9%
37. 37.In how many years will ₹9500 earn ₹2660 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
38. 38.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹405 (c) ₹135 (d) ₹270
39. 39.What is the simple interest on ₹7500 at 12% per year for 3 years? (a) ₹2700 (b) ₹900 (c) ₹10200 (d) ₹3600
40. 40.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1680 (c) ₹180 (d) ₹1770

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