Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 728 · 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.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10070 (b) ₹2850 (c) ₹12350 (d) ₹12920
2. 2.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹10200 (b) ₹675 (c) ₹3375 (d) ₹2700
3. 3.The simple interest on ₹9500 for 3 years is ₹2565. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%
4. 4.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
5. 5.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹300 (b) ₹600 (c) ₹900 (d) ₹3600
6. 6.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹2320 (c) ₹320 (d) ₹2480
7. 7.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
8. 8.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹200 (b) ₹1000 (c) ₹4800 (d) ₹800
9. 9.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3210 (b) ₹3420 (c) ₹420 (d) ₹3630
10. 10.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹1750 (b) ₹6750 (c) ₹2100 (d) ₹350
11. 11.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹8100 (b) ₹2100 (c) ₹420 (d) ₹2520
12. 12.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹11220 (b) ₹680 (c) ₹2720 (d) ₹3400
14. 14.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹900 (c) ₹5580 (d) ₹4680
15. 15.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 36% (b) 10% (c) 9% (d) 8%
16. 16.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹50 (b) ₹100 (c) ₹2600 (d) ₹150
17. 17.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
18. 18.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹9180 (c) ₹360 (d) ₹9540
19. 19.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10900 (b) ₹1800 (c) ₹11800 (d) ₹12700
20. 20.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
21. 21.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹180 (c) ₹1770 (d) ₹1680
22. 22.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 12%
23. 23.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹180 (b) ₹240 (c) ₹60 (d) ₹2180
24. 24.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3060 (c) ₹3120 (d) ₹120
25. 25.The simple interest on ₹7500 for 5 years is ₹2250. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
26. 26.In how many years will ₹4000 earn ₹1000 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
27. 27.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
28. 28.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹400 (c) ₹600 (d) ₹200
29. 29.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹10800 (b) ₹1200 (c) ₹800 (d) ₹400
30. 30.₹9500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹760 (c) ₹9690 (d) ₹10450
31. 31.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
32. 32.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹1700 (b) ₹340 (c) ₹9860 (d) ₹1360
33. 33.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
34. 34.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
35. 35.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹80 (b) ₹240 (c) ₹160 (d) ₹2160
36. 36.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹1755 (b) ₹585 (c) ₹2340 (d) ₹8255
37. 37.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹2480 (c) ₹400 (d) ₹2080
38. 38.In how many years will ₹5000 earn ₹1000 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
39. 39.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹3200 (b) ₹800 (c) ₹12400 (d) ₹2400
40. 40.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%

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