Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 829 · 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 ₹8000 at 12% per year for 2 years? (a) ₹1920 (b) ₹9920 (c) ₹960 (d) ₹2880
2. 2.The simple interest on ₹2000 for 3 years is ₹360. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
3. 3.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹130 (b) ₹7020 (c) ₹650 (d) ₹520
4. 4.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹160 (b) ₹200 (c) ₹2160 (d) ₹40
5. 5.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 40% (b) 11% (c) 10% (d) 9%
6. 6.₹2000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2600 (b) ₹500 (c) ₹2100 (d) ₹2500
7. 7.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹3025 (b) ₹175 (c) ₹700 (d) ₹525
8. 8.What is the simple interest on ₹5500 at 10% per year for 3 years? (a) ₹550 (b) ₹1650 (c) ₹7150 (d) ₹2200
9. 9.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
10. 10.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹1660 (c) ₹1550 (d) ₹1110
11. 11.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹585 (b) ₹9425 (c) ₹2925 (d) ₹3510
12. 12.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
13. 13.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹11200 (c) ₹7840 (d) ₹10360
14. 14.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹6960 (c) ₹960 (d) ₹6240
15. 15.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
16. 16.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹5175 (b) ₹225 (c) ₹675 (d) ₹900
17. 17.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
18. 18.₹8500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹2040 (c) ₹11220 (d) ₹10540
19. 19.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹5995 (c) ₹6985 (d) ₹7480
20. 20.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹1425 (c) ₹285 (d) ₹10925
21. 21.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹6600 (c) ₹6300 (d) ₹6900
22. 22.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%
23. 23.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹360 (b) ₹1270 (c) ₹90 (d) ₹270
24. 24.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹960 (b) ₹1200 (c) ₹240 (d) ₹3960
25. 25.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹900 (b) ₹9900 (c) ₹180 (d) ₹1080
26. 26.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
27. 27.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 6% (b) 5% (c) 25% (d) 4%
28. 28.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
29. 29.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5425 (b) ₹5810 (c) ₹1925 (d) ₹3885
30. 30.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 6% (b) 30% (c) 7% (d) 5%
31. 31.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
32. 32.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
33. 33.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹480 (c) ₹3360 (d) ₹120
34. 34.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹10200 (c) ₹10600 (d) ₹400
35. 35.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹3600 (c) ₹3150 (d) ₹3450
36. 36.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
37. 37.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹60 (b) ₹2240 (c) ₹300 (d) ₹240
38. 38.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4270 (b) ₹770 (c) ₹3885 (d) ₹4655
39. 39.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 2% (b) 15% (c) 3% (d) 4%
40. 40.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years

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