Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 168 · 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.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13090 (b) ₹9265 (c) ₹3825 (d) ₹12325
2. 2.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹11520 (b) ₹9630 (c) ₹1890 (d) ₹10890
3. 3.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
4. 4.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2700 (b) ₹2900 (c) ₹400 (d) ₹3100
5. 5.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 3%
6. 6.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹180 (b) ₹1680 (c) ₹45 (d) ₹225
7. 7.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹6100 (b) ₹1100 (c) ₹1650 (d) ₹550
8. 8.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6160 (b) ₹6380 (c) ₹660 (d) ₹5720
9. 9.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
10. 10.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 2% (b) 10% (c) 3% (d) 1%
11. 11.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1260 (b) ₹630 (c) ₹1890 (d) ₹8260
12. 12.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
13. 13.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹5400 (b) ₹280 (c) ₹1680 (d) ₹1400
14. 14.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹700 (c) ₹5350 (d) ₹5700
15. 15.The simple interest on ₹8500 for 5 years is ₹2975. What is the rate per year? (a) 8% (b) 35% (c) 7% (d) 6%
16. 16.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 7% (b) 40% (c) 8% (d) 9%
17. 17.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 20% (c) 9% (d) 11%
18. 18.The simple interest on ₹10000 for 3 years is ₹600. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
19. 19.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%
20. 20.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
21. 21.The simple interest on ₹4000 for 3 years is ₹960. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
22. 22.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2750 (b) ₹250 (c) ₹2625 (d) ₹2875
23. 23.The simple interest on ₹2000 for 5 years is ₹700. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
24. 24.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹540 (b) ₹2040 (c) ₹675 (d) ₹135
25. 25.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹180 (b) ₹90 (c) ₹270 (d) ₹1180
26. 26.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1860 (c) ₹1560 (d) ₹1800
27. 27.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹3420 (c) ₹12920 (d) ₹14060
28. 28.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹3270 (b) ₹90 (c) ₹270 (d) ₹360
29. 29.What is the simple interest on ₹6500 at 6% per year for 4 years? (a) ₹1950 (b) ₹1560 (c) ₹390 (d) ₹8060
30. 30.The simple interest on ₹8000 for 5 years is ₹1200. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
31. 31.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 5%
32. 32.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6630 (b) ₹7150 (c) ₹650 (d) ₹7280
33. 33.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹400 (b) ₹480 (c) ₹1400 (d) ₹80
34. 34.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
35. 35.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1500 (b) ₹10500 (c) ₹12000 (d) ₹11500
36. 36.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4360 (b) ₹5800 (c) ₹1440 (d) ₹5440
37. 37.The simple interest on ₹7500 for 3 years is ₹2475. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 33%
38. 38.The simple interest on ₹8000 for 3 years is ₹2640. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
39. 39.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7650 (b) ₹7950 (c) ₹7800 (d) ₹300
40. 40.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%

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