Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 935 · 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 ₹4500 at 3% per year for 4 years? (a) ₹135 (b) ₹5040 (c) ₹675 (d) ₹540
2. 2.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹4320 (b) ₹80 (c) ₹320 (d) ₹400
3. 3.₹7000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹7840 (c) ₹8680 (d) ₹1680
4. 4.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8670 (b) ₹680 (c) ₹9350 (d) ₹9180
5. 5.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
6. 6.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
7. 7.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
8. 8.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹560 (b) ₹2240 (c) ₹1680 (d) ₹9680
9. 9.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
10. 10.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹4500 (d) ₹1500
11. 11.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10260 (b) ₹14060 (c) ₹3800 (d) ₹13300
12. 12.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹200 (d) ₹5200
13. 13.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6955 (b) ₹7410 (c) ₹7865 (d) ₹910
14. 14.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹10800 (c) ₹14000 (d) ₹14800
15. 15.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
16. 16.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1650 (b) ₹1530 (c) ₹1620 (d) ₹120
17. 17.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹665 (b) ₹3325 (c) ₹12160 (d) ₹2660
18. 18.The simple interest on ₹8000 for 3 years is ₹1920. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
19. 19.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1375 (b) ₹2775 (c) ₹3875 (d) ₹4150
20. 20.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
21. 21.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
22. 22.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
23. 23.₹5000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5200 (b) ₹5600 (c) ₹5800 (d) ₹600
24. 24.What is the simple interest on ₹6000 at 10% per year for 4 years? (a) ₹600 (b) ₹8400 (c) ₹3000 (d) ₹2400
25. 25.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹9300 (c) ₹8400 (d) ₹10200
26. 26.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
27. 27.The simple interest on ₹4500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 11% (c) 55% (d) 12%
28. 28.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹3120 (c) ₹3360 (d) ₹3240
29. 29.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
30. 30.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1550 (b) ₹1660 (c) ₹550 (d) ₹1110
31. 31.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹285 (b) ₹10355 (c) ₹1140 (d) ₹855
32. 32.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 45%
33. 33.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
34. 34.The simple interest on ₹1000 for 2 years is ₹240. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
35. 35.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹10360 (c) ₹7560 (d) ₹9800
36. 36.What is the simple interest on ₹6000 at 3% per year for 3 years? (a) ₹720 (b) ₹6540 (c) ₹540 (d) ₹180
37. 37.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8060 (b) ₹6760 (c) ₹1300 (d) ₹7800
38. 38.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1725 (b) ₹1680 (c) ₹1545 (d) ₹180
39. 39.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹385 (b) ₹1155 (c) ₹770 (d) ₹6270
40. 40.In how many years will ₹5500 earn ₹1320 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years

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