Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 696 · 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 ₹1000 at 11% per year for 2 years? (a) ₹330 (b) ₹110 (c) ₹1220 (d) ₹220
2. 2.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
3. 3.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹1800 (b) ₹600 (c) ₹1200 (d) ₹7200
4. 4.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2700 (b) ₹540 (c) ₹6660 (d) ₹2160
5. 5.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
6. 6.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹1060 (c) ₹60 (d) ₹80
7. 7.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹2360 (c) ₹2060 (d) ₹300
8. 8.The simple interest on ₹7000 for 3 years is ₹1890. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%
9. 9.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10890 (b) ₹9630 (c) ₹1890 (d) ₹11520
10. 10.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹4800 (b) ₹12000 (c) ₹4000 (d) ₹800
11. 11.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
12. 12.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
13. 13.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹80 (d) ₹2320
14. 14.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹1620 (c) ₹11430 (d) ₹10620
15. 15.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
16. 16.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
17. 17.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5610 (b) ₹550 (c) ₹6160 (d) ₹6050
18. 18.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹490 (b) ₹4235 (c) ₹3990 (d) ₹3745
19. 19.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹760 (b) ₹10260 (c) ₹380 (d) ₹1140
20. 20.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6000 (b) ₹5200 (c) ₹1000 (d) ₹6200
21. 21.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
22. 22.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 18% (b) 5% (c) 7% (d) 6%
23. 23.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 4% (c) 25% (d) 5%
24. 24.In how many years will ₹9500 earn ₹1140 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
25. 25.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹300 (b) ₹50 (c) ₹250 (d) ₹2750
26. 26.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
27. 27.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹12065 (b) ₹3420 (c) ₹855 (d) ₹2565
28. 28.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹10260 (b) ₹190 (c) ₹760 (d) ₹950
29. 29.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
30. 30.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
31. 31.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹130 (b) ₹7150 (c) ₹650 (d) ₹780
32. 32.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1550 (b) ₹1110 (c) ₹550 (d) ₹1660
33. 33.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
34. 34.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹1635 (b) ₹45 (c) ₹135 (d) ₹180
35. 35.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
36. 36.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
37. 37.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
38. 38.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1100 (c) ₹275 (d) ₹1375
39. 39.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
40. 40.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years

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