Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 50 · 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.₹2000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2600 (b) ₹2400 (c) ₹2200 (d) ₹400
2. 2.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹4770 (c) ₹5040 (d) ₹5310
3. 3.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹3480 (c) ₹480 (d) ₹240
4. 4.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 6% (b) 5% (c) 10% (d) 4%
5. 5.The simple interest on ₹9500 for 5 years is ₹950. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
6. 6.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
7. 7.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
8. 8.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹700 (b) ₹7560 (c) ₹560 (d) ₹140
9. 9.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹100 (b) ₹2500 (c) ₹600 (d) ₹500
10. 10.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹11500 (b) ₹10500 (c) ₹11000 (d) ₹1000
11. 11.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹525 (b) ₹2625 (c) ₹10125 (d) ₹3150
12. 12.₹6000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹6600 (c) ₹8400 (d) ₹9000
13. 13.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
14. 14.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹270 (b) ₹10350 (c) ₹1350 (d) ₹1620
15. 15.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹990 (b) ₹330 (c) ₹660 (d) ₹6160
16. 16.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹1125 (b) ₹375 (c) ₹750 (d) ₹8250
17. 17.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
18. 18.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹750 (b) ₹7875 (c) ₹8250 (d) ₹8625
19. 19.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
20. 20.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
21. 21.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹720 (c) ₹2720 (d) ₹2960
22. 22.In how many years will ₹9500 earn ₹4560 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
23. 23.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
24. 24.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2950 (c) ₹300 (d) ₹2800
25. 25.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
26. 26.In how many years will ₹5000 earn ₹1000 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
27. 27.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹900 (b) ₹750 (c) ₹3750 (d) ₹150
28. 28.In how many years will ₹2500 earn ₹1000 simple interest at 8% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
29. 29.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
30. 30.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹6050 (b) ₹275 (c) ₹825 (d) ₹550
31. 31.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
32. 32.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹2040 (c) ₹2200 (d) ₹200
33. 33.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
34. 34.What is the simple interest on ₹4000 at 9% per year for 5 years? (a) ₹5800 (b) ₹360 (c) ₹1800 (d) ₹2160
35. 35.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
36. 36.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹210 (c) ₹140 (d) ₹3640
37. 37.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹5040 (c) ₹360 (d) ₹4860
38. 38.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹765 (b) ₹3825 (c) ₹3060 (d) ₹11560
39. 39.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹840 (b) ₹140 (c) ₹2700 (d) ₹700
40. 40.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹900 (b) ₹3900 (c) ₹1200 (d) ₹300

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