Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 890 · 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 ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹3000 (c) ₹1000 (d) ₹2000
2. 2.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹6360 (c) ₹6240 (d) ₹6120
3. 3.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹6000 (c) ₹1000 (d) ₹6200
4. 4.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
5. 5.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
6. 6.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹8700 (b) ₹300 (c) ₹1500 (d) ₹1200
7. 7.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 11% (b) 13% (c) 36% (d) 12%
8. 8.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
9. 9.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
10. 10.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
11. 11.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹360 (b) ₹1080 (c) ₹5220 (d) ₹720
12. 12.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3745 (b) ₹4725 (c) ₹1225 (d) ₹4970
13. 13.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹9000 (b) ₹1200 (c) ₹8700 (d) ₹7800
14. 14.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
15. 15.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5000 (b) ₹4200 (c) ₹5200 (d) ₹1000
16. 16.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
17. 17.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7700 (b) ₹7840 (c) ₹7140 (d) ₹700
18. 18.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹12400 (c) ₹10600 (d) ₹11800
19. 19.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
20. 20.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 2% (b) 3% (c) 15% (d) 4%
21. 21.The simple interest on ₹8000 for 3 years is ₹2160. What is the rate per year? (a) 27% (b) 10% (c) 8% (d) 9%
22. 22.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
23. 23.The simple interest on ₹3000 for 4 years is ₹1440. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 48%
24. 24.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹360 (b) ₹90 (c) ₹1770 (d) ₹270
25. 25.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10000 (b) ₹9600 (c) ₹8400 (d) ₹1600
26. 26.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11050 (b) ₹9010 (c) ₹2040 (d) ₹10540
27. 27.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5610 (b) ₹6160 (c) ₹550 (d) ₹6050
28. 28.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹5720 (b) ₹110 (c) ₹330 (d) ₹220
29. 29.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹4725 (c) ₹5175 (d) ₹4950
30. 30.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
31. 31.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹80 (b) ₹1400 (c) ₹480 (d) ₹400
32. 32.In how many years will ₹3500 earn ₹700 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
33. 33.The simple interest on ₹3500 for 4 years is ₹1260. What is the rate per year? (a) 8% (b) 10% (c) 36% (d) 9%
34. 34.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
35. 35.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4500 (b) ₹4200 (c) ₹3300 (d) ₹1200
36. 36.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹360 (b) ₹180 (c) ₹3360 (d) ₹540
37. 37.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹720 (c) ₹8720 (d) ₹8240
38. 38.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹1260 (b) ₹420 (c) ₹7260 (d) ₹1680
39. 39.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 18%
40. 40.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹650 (b) ₹7800 (c) ₹1300 (d) ₹1950

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