Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 610 · 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 ₹1500 for 2 years is ₹60. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
2. 2.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
3. 3.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
4. 4.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
5. 5.₹6000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7200 (b) ₹900 (c) ₹6900 (d) ₹6300
6. 6.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹5150 (c) ₹5750 (d) ₹5900
7. 7.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹550 (b) ₹825 (c) ₹6050 (d) ₹275
8. 8.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
9. 9.₹9500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11400 (b) ₹9880 (c) ₹1900 (d) ₹11780
10. 10.What is the simple interest on ₹10000 at 12% per year for 4 years? (a) ₹4800 (b) ₹14800 (c) ₹1200 (d) ₹6000
11. 11.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹7280
12. 12.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹1620 (c) ₹480 (d) ₹2100
13. 13.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
14. 14.What is the simple interest on ₹10000 at 5% per year for 2 years? (a) ₹1000 (b) ₹11000 (c) ₹500 (d) ₹1500
15. 15.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
16. 16.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹3780 (c) ₹4900 (d) ₹4620
17. 17.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9880 (b) ₹10640 (c) ₹10260 (d) ₹760
18. 18.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
19. 19.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
20. 20.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
21. 21.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3330 (b) ₹3990 (c) ₹660 (d) ₹3660
22. 22.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹4675 (b) ₹12240 (c) ₹3740 (d) ₹935
23. 23.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
24. 24.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹3300 (b) ₹360 (c) ₹60 (d) ₹300
25. 25.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
26. 26.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
27. 27.The simple interest on ₹2000 for 3 years is ₹600. What is the rate per year? (a) 30% (b) 10% (c) 11% (d) 9%
28. 28.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4320 (b) ₹4480 (c) ₹320 (d) ₹4160
29. 29.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹2200 (b) ₹200 (c) ₹40 (d) ₹240
30. 30.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹120 (b) ₹40 (c) ₹1080 (d) ₹80
31. 31.What is the simple interest on ₹7500 at 5% per year for 5 years? (a) ₹2250 (b) ₹9375 (c) ₹1875 (d) ₹375
32. 32.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹270 (b) ₹5040 (c) ₹810 (d) ₹540
33. 33.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹480 (b) ₹80 (c) ₹400 (d) ₹2400
34. 34.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
35. 35.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4650 (b) ₹3330 (c) ₹4980 (d) ₹1650
36. 36.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
37. 37.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹60 (b) ₹240 (c) ₹300 (d) ₹2240
38. 38.₹10000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹15500 (b) ₹14400 (c) ₹4400 (d) ₹11100
39. 39.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
40. 40.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%

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