Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 767 · 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 4% per year simple interest. What is the amount after 4 years? (a) ₹6240 (b) ₹960 (c) ₹6960 (d) ₹7200
2. 2.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹350 (b) ₹4900 (c) ₹1750 (d) ₹1400
3. 3.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹4060 (c) ₹3780 (d) ₹560
4. 4.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 40%
5. 5.The simple interest on ₹7500 for 3 years is ₹1575. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
6. 6.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
7. 7.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
8. 8.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
9. 9.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
10. 10.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
11. 11.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹10360 (b) ₹4200 (c) ₹3360 (d) ₹840
12. 12.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹540 (b) ₹450 (c) ₹90 (d) ₹4950
13. 13.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
14. 14.The simple interest on ₹2000 for 3 years is ₹420. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
15. 15.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
16. 16.In how many years will ₹7500 earn ₹1800 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
17. 17.₹8000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹9200 (c) ₹8400 (d) ₹8800
18. 18.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
19. 19.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹8250 (d) ₹750
20. 20.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
21. 21.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
22. 22.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
23. 23.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
24. 24.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
25. 25.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹960 (c) ₹9280 (d) ₹8320
26. 26.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
27. 27.The simple interest on ₹3000 for 4 years is ₹840. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
28. 28.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2625 (b) ₹2875 (c) ₹375 (d) ₹3000
29. 29.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
30. 30.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹1860 (d) ₹180
31. 31.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹90 (b) ₹3180 (c) ₹180 (d) ₹270
32. 32.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹7950 (c) ₹900 (d) ₹8850
33. 33.In how many years will ₹10000 earn ₹1600 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
34. 34.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
35. 35.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3180 (b) ₹3540 (c) ₹540 (d) ₹3720
36. 36.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
37. 37.₹9500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12920 (b) ₹10355 (c) ₹3420 (d) ₹13775
38. 38.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹13680 (b) ₹1045 (c) ₹5225 (d) ₹4180
39. 39.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
40. 40.₹4500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4950 (b) ₹360 (c) ₹4590 (d) ₹4860

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