Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 637 · 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 ₹6000 for 5 years is ₹3600. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
2. 2.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹2000 (b) ₹500 (c) ₹7000 (d) ₹2500
3. 3.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹5040 (c) ₹4860 (d) ₹360
4. 4.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1000 (b) ₹3750 (c) ₹3500 (d) ₹2750
5. 5.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
6. 6.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹1180 (b) ₹180 (c) ₹60 (d) ₹240
7. 7.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹900 (b) ₹3100 (c) ₹300 (d) ₹600
8. 8.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4320 (b) ₹990 (c) ₹3990 (d) ₹3330
9. 9.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 13% (b) 11% (c) 48% (d) 12%
10. 10.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹2600 (c) ₹500 (d) ₹3100
11. 11.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 12% (b) 11% (c) 33% (d) 10%
12. 12.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
13. 13.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
14. 14.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹280 (c) ₹210 (d) ₹1210
15. 15.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
16. 16.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5175 (b) ₹4950 (c) ₹450 (d) ₹4725
17. 17.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹240 (b) ₹60 (c) ₹3180 (d) ₹180
18. 18.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹450 (b) ₹675 (c) ₹7950 (d) ₹225
19. 19.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
20. 20.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹250 (b) ₹50 (c) ₹2750 (d) ₹300
21. 21.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹4720 (b) ₹240 (c) ₹720 (d) ₹960
22. 22.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
23. 23.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹100 (b) ₹500 (c) ₹5500 (d) ₹600
24. 24.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹4375 (c) ₹3675 (d) ₹875
25. 25.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
26. 26.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹2400 (b) ₹12000 (c) ₹2000 (d) ₹400
27. 27.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1575 (b) ₹1650 (c) ₹1725 (d) ₹150
28. 28.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
29. 29.The simple interest on ₹2000 for 3 years is ₹360. What is the rate per year? (a) 6% (b) 7% (c) 18% (d) 5%
30. 30.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
31. 31.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
32. 32.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
33. 33.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
34. 34.₹7500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4500 (b) ₹12000 (c) ₹8400 (d) ₹12900
35. 35.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹3850 (b) ₹350 (c) ₹175 (d) ₹525
36. 36.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹420 (b) ₹1260 (c) ₹7840 (d) ₹840
37. 37.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
38. 38.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹16000 (b) ₹1200 (c) ₹6000 (d) ₹7200
39. 39.The simple interest on ₹5000 for 5 years is ₹3000. What is the rate per year? (a) 60% (b) 12% (c) 11% (d) 13%
40. 40.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹2100 (c) ₹1620 (d) ₹480

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