Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 552 · 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 ₹7500 at 6% per year for 2 years? (a) ₹900 (b) ₹1350 (c) ₹450 (d) ₹8400
2. 2.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
3. 3.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹11800 (b) ₹600 (c) ₹1800 (d) ₹2400
4. 4.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹1020 (b) ₹4080 (c) ₹5100 (d) ₹12580
5. 5.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 18%
6. 6.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 16%
7. 7.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
8. 8.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 8% (c) 24% (d) 9%
9. 9.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
10. 10.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹200 (b) ₹5200 (c) ₹300 (d) ₹100
11. 11.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3750 (b) ₹600 (c) ₹3150 (d) ₹3600
12. 12.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
13. 13.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
14. 14.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
15. 15.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹12700 (c) ₹10900 (d) ₹2700
16. 16.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹4960 (b) ₹5200 (c) ₹4240 (d) ₹960
17. 17.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹4320 (b) ₹13320 (c) ₹1080 (d) ₹5400
18. 18.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹480 (d) ₹2480
19. 19.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
20. 20.In how many years will ₹10000 earn ₹2700 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
21. 21.₹8000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹1600 (c) ₹8320 (d) ₹9920
22. 22.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
23. 23.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%
24. 24.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
25. 25.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹640 (b) ₹8480 (c) ₹480 (d) ₹160
26. 26.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
27. 27.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5720 (b) ₹6380 (c) ₹660 (d) ₹6160
28. 28.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
29. 29.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹500 (b) ₹2500 (c) ₹12000 (d) ₹2000
30. 30.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6160 (b) ₹5720 (c) ₹440 (d) ₹5940
31. 31.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹3360 (b) ₹560 (c) ₹10800 (d) ₹2800
32. 32.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹1350 (b) ₹5400 (c) ₹450 (d) ₹900
33. 33.What is the simple interest on ₹4000 at 6% per year for 4 years? (a) ₹240 (b) ₹4960 (c) ₹960 (d) ₹1200
34. 34.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹2280 (b) ₹760 (c) ₹1520 (d) ₹11020
35. 35.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹720 (b) ₹2040 (c) ₹180 (d) ₹540
36. 36.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6540 (b) ₹540 (c) ₹6720 (d) ₹6180
37. 37.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹440 (b) ₹2440 (c) ₹220 (d) ₹660
38. 38.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%
39. 39.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
40. 40.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6630 (b) ₹390 (c) ₹7020 (d) ₹6890

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