Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 947 · 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.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5300 (b) ₹1500 (c) ₹6500 (d) ₹6800
2. 2.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
3. 3.In how many years will ₹10000 earn ₹2000 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
4. 4.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹3780 (b) ₹70 (c) ₹280 (d) ₹350
5. 5.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹480 (b) ₹8320 (c) ₹160 (d) ₹320
6. 6.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
7. 7.What is the simple interest on ₹7000 at 12% per year for 5 years? (a) ₹5040 (b) ₹4200 (c) ₹840 (d) ₹11200
8. 8.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 4% (b) 20% (c) 6% (d) 5%
9. 9.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2420 (b) ₹2140 (c) ₹280 (d) ₹2280
10. 10.In how many years will ₹10000 earn ₹2000 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
11. 11.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4060 (b) ₹560 (c) ₹4200 (d) ₹3640
12. 12.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹300 (c) ₹900 (d) ₹1200
13. 13.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
14. 14.In how many years will ₹10000 earn ₹3000 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
15. 15.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹6490 (b) ₹1485 (c) ₹990 (d) ₹495
16. 16.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
17. 17.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
18. 18.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹8720 (b) ₹240 (c) ₹960 (d) ₹720
19. 19.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹2500 (b) ₹100 (c) ₹600 (d) ₹500
20. 20.In how many years will ₹4500 earn ₹1350 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
21. 21.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹13300 (b) ₹12540 (c) ₹3040 (d) ₹10260
22. 22.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
23. 23.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
24. 24.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
25. 25.What is the simple interest on ₹2500 at 5% per year for 3 years? (a) ₹500 (b) ₹125 (c) ₹375 (d) ₹2875
26. 26.₹7000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹7140 (c) ₹560 (d) ₹7560
27. 27.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
28. 28.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹3000 (c) ₹2600 (d) ₹2900
29. 29.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3450 (b) ₹3300 (c) ₹300 (d) ₹3150
30. 30.The simple interest on ₹10000 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 4%
31. 31.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹200 (b) ₹2700 (c) ₹50 (d) ₹250
32. 32.In how many years will ₹5000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
33. 33.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹4950 (c) ₹5400 (d) ₹5850
34. 34.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹770 (b) ₹385 (c) ₹6270 (d) ₹1155
35. 35.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
36. 36.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
37. 37.₹7000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8890 (b) ₹7630 (c) ₹9520 (d) ₹1890
38. 38.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 24%
39. 39.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹420 (b) ₹2100 (c) ₹1680 (d) ₹5180
40. 40.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years

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