Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 261 · 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 4% per year for 3 years? (a) ₹1120 (b) ₹120 (c) ₹160 (d) ₹40
2. 2.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
3. 3.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5220 (b) ₹5580 (c) ₹720 (d) ₹4860
4. 4.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3740 (b) ₹13175 (c) ₹9435 (d) ₹12240
5. 5.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 40%
6. 6.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 12%
7. 7.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹900 (b) ₹5600 (c) ₹600 (d) ₹300
8. 8.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
9. 9.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6160 (b) ₹8140 (c) ₹8800 (d) ₹2640
10. 10.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
11. 11.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹600 (b) ₹900 (c) ₹8100 (d) ₹300
12. 12.In how many years will ₹7000 earn ₹1470 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
13. 13.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹600 (d) ₹3100
14. 14.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
15. 15.What is the simple interest on ₹6000 at 8% per year for 5 years? (a) ₹2880 (b) ₹480 (c) ₹2400 (d) ₹8400
16. 16.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
17. 17.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹7800 (b) ₹325 (c) ₹1625 (d) ₹1300
18. 18.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹1750 (b) ₹8400 (c) ₹350 (d) ₹1400
19. 19.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹595 (b) ₹2975 (c) ₹2380 (d) ₹10880
20. 20.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹240 (c) ₹3480 (d) ₹480
21. 21.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹1920 (c) ₹105 (d) ₹420
22. 22.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹9300 (b) ₹3960 (c) ₹660 (d) ₹3300
23. 23.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹480 (b) ₹1440 (c) ₹9440 (d) ₹1920
24. 24.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
25. 25.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
26. 26.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
27. 27.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
28. 28.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
29. 29.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 11% (c) 12% (d) 13%
30. 30.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
31. 31.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹380 (b) ₹10260 (c) ₹1140 (d) ₹760
32. 32.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2140 (b) ₹280 (c) ₹2420 (d) ₹2280
33. 33.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14800 (b) ₹10800 (c) ₹14000 (d) ₹4000
34. 34.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
35. 35.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹4800 (b) ₹960 (c) ₹800 (d) ₹160
36. 36.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
38. 38.₹9500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1900 (b) ₹11400 (c) ₹11780 (d) ₹9880
39. 39.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 25%
40. 40.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 3% (b) 2% (c) 15% (d) 4%

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