Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 288 · 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.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 30% (b) 5% (c) 7% (d) 6%
2. 2.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹440 (b) ₹6380 (c) ₹880 (d) ₹1320
3. 3.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
4. 4.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1320 (b) ₹1400 (c) ₹320 (d) ₹1080
5. 5.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹3060 (c) ₹3360 (d) ₹3300
6. 6.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹1590 (c) ₹1680 (d) ₹1770
7. 7.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹4130 (c) ₹3710 (d) ₹420
8. 8.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
9. 9.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹1600 (c) ₹10000 (d) ₹9600
10. 10.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹11000 (b) ₹1200 (c) ₹200 (d) ₹1000
11. 11.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
12. 12.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
13. 13.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
14. 14.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹990 (b) ₹3990 (c) ₹330 (d) ₹1320
15. 15.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹1260 (b) ₹945 (c) ₹4445 (d) ₹315
16. 16.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
17. 17.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
18. 18.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹10880 (b) ₹2975 (c) ₹2380 (d) ₹595
19. 19.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹780 (b) ₹10400 (c) ₹3900 (d) ₹4680
20. 20.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹7670 (b) ₹390 (c) ₹1170 (d) ₹1560
21. 21.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹480 (b) ₹400 (c) ₹1400 (d) ₹80
22. 22.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 10%
23. 23.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹6525 (b) ₹2025 (c) ₹4905 (d) ₹6930
24. 24.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹1350 (b) ₹70 (c) ₹420 (d) ₹350
25. 25.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
26. 26.The simple interest on ₹4000 for 3 years is ₹360. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
27. 27.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 20%
28. 28.₹10000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹12500 (c) ₹2000 (d) ₹12000
29. 29.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹315 (b) ₹210 (c) ₹105 (d) ₹3710
30. 30.The simple interest on ₹8500 for 5 years is ₹5100. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
31. 31.In how many years will ₹1500 earn ₹720 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.In how many years will ₹4500 earn ₹1575 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
33. 33.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
34. 34.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹80 (c) ₹2040 (d) ₹2080
35. 35.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹6800 (b) ₹2400 (c) ₹600 (d) ₹1800
36. 36.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3900 (b) ₹650 (c) ₹3250 (d) ₹9750
37. 37.₹9000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹11700 (c) ₹10800 (d) ₹9900
38. 38.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
39. 39.₹6000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹6420 (b) ₹7680 (c) ₹1260 (d) ₹7260
40. 40.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad