Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 353 · 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.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
2. 2.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹6160 (c) ₹6490 (d) ₹660
3. 3.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 7% (b) 8% (c) 14% (d) 6%
4. 4.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
5. 5.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 35%
6. 6.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹720 (c) ₹9720 (d) ₹9900
7. 7.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
8. 8.The simple interest on ₹5500 for 3 years is ₹1980. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
9. 9.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
10. 10.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
11. 11.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3720 (b) ₹3240 (c) ₹3480 (d) ₹480
12. 12.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹10350 (b) ₹270 (c) ₹1350 (d) ₹1620
13. 13.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6660 (b) ₹9300 (c) ₹8640 (d) ₹2640
14. 14.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹5600 (b) ₹600 (c) ₹300 (d) ₹900
15. 15.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹1200 (c) ₹1160 (d) ₹1040
16. 16.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹570 (b) ₹10640 (c) ₹1710 (d) ₹1140
17. 17.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹8050 (b) ₹1050 (c) ₹1400 (d) ₹350
18. 18.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
19. 19.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹7080 (c) ₹720 (d) ₹6720
20. 20.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹420 (b) ₹5600 (c) ₹2520 (d) ₹2100
21. 21.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
22. 22.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
23. 23.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
24. 24.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹135 (b) ₹1770 (c) ₹405 (d) ₹270
25. 25.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹1350 (b) ₹900 (c) ₹5400 (d) ₹450
26. 26.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
27. 27.In how many years will ₹5500 earn ₹2475 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
28. 28.What is the simple interest on ₹4500 at 11% per year for 4 years? (a) ₹495 (b) ₹1980 (c) ₹6480 (d) ₹2475
29. 29.What is the simple interest on ₹7500 at 10% per year for 2 years? (a) ₹750 (b) ₹2250 (c) ₹1500 (d) ₹9000
30. 30.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
31. 31.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
32. 32.In how many years will ₹9500 earn ₹5700 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
33. 33.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
34. 34.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹2700 (c) ₹2800 (d) ₹2600
35. 35.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹420 (b) ₹630 (c) ₹7420 (d) ₹210
36. 36.₹5000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5500 (b) ₹2000 (c) ₹7000 (d) ₹7500
37. 37.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
38. 38.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
39. 39.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 15%
40. 40.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹1050 (b) ₹350 (c) ₹700 (d) ₹5700

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