Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 870 · 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.What is the simple interest on ₹5000 at 9% per year for 4 years? (a) ₹6800 (b) ₹2250 (c) ₹450 (d) ₹1800
2. 2.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹1600 (c) ₹9600 (d) ₹2400
3. 3.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
4. 4.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹90 (b) ₹1560 (c) ₹60 (d) ₹30
5. 5.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
6. 6.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
7. 7.₹9500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10450 (b) ₹3800 (c) ₹13300 (d) ₹14250
8. 8.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹5830 (d) ₹330
9. 9.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹1470 (b) ₹7980 (c) ₹980 (d) ₹490
10. 10.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
11. 11.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹240 (c) ₹3480 (d) ₹480
12. 12.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹280 (b) ₹840 (c) ₹560 (d) ₹4560
13. 13.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
14. 14.₹2000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2180 (b) ₹2060 (c) ₹120 (d) ₹2120
15. 15.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
16. 16.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹280 (b) ₹5120 (c) ₹1120 (d) ₹1400
17. 17.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹10350 (b) ₹1350 (c) ₹450 (d) ₹1800
18. 18.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
19. 19.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹1450 (b) ₹450 (c) ₹90 (d) ₹540
20. 20.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
21. 21.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹1785 (b) ₹595 (c) ₹10285 (d) ₹2380
22. 22.₹8500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11900 (b) ₹9350 (c) ₹3400 (d) ₹12750
23. 23.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹10160 (b) ₹2880 (c) ₹2160 (d) ₹720
24. 24.What is the simple interest on ₹7500 at 12% per year for 2 years? (a) ₹900 (b) ₹9300 (c) ₹2700 (d) ₹1800
25. 25.What is the simple interest on ₹7500 at 5% per year for 4 years? (a) ₹375 (b) ₹1500 (c) ₹9000 (d) ₹1875
26. 26.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
27. 27.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹540 (b) ₹1635 (c) ₹2040 (d) ₹2175
28. 28.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9425 (b) ₹2340 (c) ₹8840 (d) ₹7085
29. 29.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹4200 (c) ₹4550 (d) ₹700
30. 30.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹1400 (b) ₹1050 (c) ₹350 (d) ₹4550
31. 31.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9785 (b) ₹10355 (c) ₹10070 (d) ₹570
32. 32.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 2% (b) 3% (c) 10% (d) 1%
33. 33.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹210 (b) ₹8050 (c) ₹1260 (d) ₹1050
34. 34.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
35. 35.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹3240 (c) ₹4440 (d) ₹1200
36. 36.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
37. 37.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹150 (b) ₹3300 (c) ₹450 (d) ₹300
38. 38.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 12% (b) 44% (c) 10% (d) 11%
39. 39.What is the simple interest on ₹9000 at 12% per year for 3 years? (a) ₹3240 (b) ₹12240 (c) ₹1080 (d) ₹4320
40. 40.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 44%

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