Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 843 · 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.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
2. 2.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹4550 (c) ₹3710 (d) ₹4760
3. 3.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1740 (b) ₹1800 (c) ₹240 (d) ₹1560
4. 4.₹7000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹7840 (b) ₹1680 (c) ₹9520 (d) ₹8680
5. 5.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7020 (b) ₹7150 (c) ₹6630 (d) ₹520
6. 6.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹420 (d) ₹7420
7. 7.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
8. 8.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹3360 (c) ₹4440 (d) ₹1440
9. 9.₹9000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹12240 (c) ₹10080 (d) ₹13320
10. 10.In how many years will ₹10000 earn ₹1200 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
11. 11.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6480 (c) ₹6720 (d) ₹6240
12. 12.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹480 (d) ₹6480
13. 13.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
14. 14.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹810 (b) ₹5310 (c) ₹5715 (d) ₹4905
15. 15.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 2% (b) 4% (c) 12% (d) 3%
16. 16.₹8500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹12580 (b) ₹9520 (c) ₹3060 (d) ₹11560
17. 17.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
18. 18.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹750 (b) ₹8250 (c) ₹375 (d) ₹1125
19. 19.The simple interest on ₹4000 for 4 years is ₹1760. What is the rate per year? (a) 12% (b) 11% (c) 44% (d) 10%
20. 20.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7670 (b) ₹8255 (c) ₹1170 (d) ₹7085
21. 21.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
22. 22.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
23. 23.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
24. 24.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹10350 (c) ₹9270 (d) ₹10080
25. 25.₹8000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹9440 (c) ₹9920 (d) ₹8480
26. 26.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹2625 (b) ₹3125 (c) ₹500 (d) ₹3000
27. 27.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹6000 (b) ₹200 (c) ₹1000 (d) ₹1200
28. 28.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹120 (c) ₹240 (d) ₹360
29. 29.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
31. 31.What is the simple interest on ₹5500 at 9% per year for 4 years? (a) ₹7480 (b) ₹1980 (c) ₹2475 (d) ₹495
32. 32.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹14400 (b) ₹1080 (c) ₹6480 (d) ₹5400
33. 33.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹400 (d) ₹10400
34. 34.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹1800 (b) ₹6350 (c) ₹450 (d) ₹1350
35. 35.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
36. 36.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
37. 37.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹2040 (c) ₹9520 (d) ₹11560
38. 38.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹1620 (b) ₹10350 (c) ₹1350 (d) ₹270
39. 39.In how many years will ₹5500 earn ₹1375 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
40. 40.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹7560 (b) ₹560 (c) ₹140 (d) ₹700

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