Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 860 · 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.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹13000 (b) ₹12400 (c) ₹10600 (d) ₹2400
2. 2.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
3. 3.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹360 (b) ₹2300 (c) ₹300 (d) ₹60
4. 4.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
5. 5.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹720 (d) ₹6720
6. 6.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4300 (b) ₹2800 (c) ₹1500 (d) ₹4000
7. 7.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
8. 8.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
9. 9.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
10. 10.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1875 (b) ₹1800 (c) ₹300 (d) ₹1575
11. 11.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹4320 (b) ₹1650 (c) ₹330 (d) ₹1320
12. 12.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6955 (b) ₹1820 (c) ₹8320 (d) ₹8775
13. 13.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1520 (b) ₹11020 (c) ₹1900 (d) ₹380
14. 14.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹120 (b) ₹1040 (c) ₹1160 (d) ₹1120
15. 15.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹400 (b) ₹80 (c) ₹480 (d) ₹1400
16. 16.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹3270 (b) ₹360 (c) ₹90 (d) ₹270
17. 17.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
18. 18.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
19. 19.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹7800 (b) ₹325 (c) ₹1300 (d) ₹1625
20. 20.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
21. 21.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
22. 22.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹160 (b) ₹2640 (c) ₹800 (d) ₹640
23. 23.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
24. 24.The simple interest on ₹8500 for 4 years is ₹2380. What is the rate per year? (a) 28% (b) 8% (c) 7% (d) 6%
25. 25.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 7% (b) 21% (c) 6% (d) 8%
26. 26.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹245 (b) ₹490 (c) ₹735 (d) ₹3990
27. 27.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
28. 28.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
29. 29.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹1470 (b) ₹980 (c) ₹490 (d) ₹7980
30. 30.The simple interest on ₹7000 for 3 years is ₹1260. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
31. 31.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
32. 32.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹495 (b) ₹5995 (c) ₹5665 (d) ₹6160
33. 33.In how many years will ₹7500 earn ₹750 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
34. 34.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
35. 35.What is the simple interest on ₹10000 at 5% per year for 2 years? (a) ₹11000 (b) ₹1000 (c) ₹500 (d) ₹1500
36. 36.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹10600 (b) ₹800 (c) ₹200 (d) ₹600
37. 37.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹900 (b) ₹600 (c) ₹300 (d) ₹5600
38. 38.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹5450 (c) ₹5150 (d) ₹5300
39. 39.In how many years will ₹8500 earn ₹3400 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
40. 40.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹165 (b) ₹2160 (c) ₹660 (d) ₹825

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