Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 806 · 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 9% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹6540 (c) ₹8160 (d) ₹7620
2. 2.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
3. 3.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹250 (b) ₹2875 (c) ₹2625 (d) ₹2750
4. 4.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹990 (b) ₹330 (c) ₹6490 (d) ₹1320
5. 5.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹255 (b) ₹1020 (c) ₹1275 (d) ₹9520
6. 6.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹2325 (b) ₹990 (c) ₹825 (d) ₹165
7. 7.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
8. 8.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹3360 (b) ₹360 (c) ₹540 (d) ₹180
9. 9.What is the simple interest on ₹5500 at 3% per year for 4 years? (a) ₹6160 (b) ₹660 (c) ₹165 (d) ₹825
10. 10.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹11020 (b) ₹9880 (c) ₹10640 (d) ₹1140
11. 11.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹1800 (b) ₹2250 (c) ₹450 (d) ₹10800
12. 12.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
13. 13.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹50 (b) ₹250 (c) ₹300 (d) ₹1250
14. 14.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹2240 (c) ₹2200 (d) ₹2040
15. 15.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
16. 16.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
17. 17.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹12600 (b) ₹720 (c) ₹3600 (d) ₹4320
18. 18.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
19. 19.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹1020 (c) ₹9775 (d) ₹8755
20. 20.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹135 (c) ₹405 (d) ₹270
21. 21.₹8500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1530 (b) ₹10795 (c) ₹10030 (d) ₹9265
22. 22.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹40 (b) ₹1020 (c) ₹1040 (d) ₹1060
23. 23.The simple interest on ₹6500 for 3 years is ₹1755. What is the rate per year? (a) 27% (b) 8% (c) 9% (d) 10%
24. 24.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
25. 25.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹2340 (b) ₹8840 (c) ₹3120 (d) ₹780
26. 26.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹3325 (b) ₹665 (c) ₹12160 (d) ₹2660
27. 27.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1060 (c) ₹1090 (d) ₹1030
28. 28.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹5995 (b) ₹6985 (c) ₹7480 (d) ₹1485
29. 29.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹5580 (c) ₹4680 (d) ₹900
30. 30.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
31. 31.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹9520 (b) ₹630 (c) ₹3150 (d) ₹2520
32. 32.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
33. 33.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹2800 (b) ₹1000 (c) ₹800 (d) ₹200
34. 34.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
35. 35.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹180 (b) ₹720 (c) ₹2040 (d) ₹540
36. 36.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1710 (b) ₹570 (c) ₹1140 (d) ₹10640
37. 37.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
38. 38.What is the simple interest on ₹7500 at 12% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹4500 (d) ₹12000
39. 39.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹7315 (b) ₹1815 (c) ₹2420 (d) ₹605
40. 40.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹2700 (c) ₹2600 (d) ₹2800

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