Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 183 · 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.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹960 (c) ₹8960 (d) ₹8480
2. 2.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3120 (b) ₹3240 (c) ₹3360 (d) ₹240
3. 3.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4280 (b) ₹1400 (c) ₹5680 (d) ₹5400
4. 4.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹140 (b) ₹7560 (c) ₹560 (d) ₹700
5. 5.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
6. 6.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
7. 7.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹2800 (c) ₹300 (d) ₹150
8. 8.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹2040 (b) ₹675 (c) ₹540 (d) ₹135
9. 9.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹1270 (b) ₹360 (c) ₹270 (d) ₹90
10. 10.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
11. 11.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
12. 12.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
13. 13.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
14. 14.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
15. 15.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹3740 (b) ₹12240 (c) ₹935 (d) ₹4675
16. 16.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
17. 17.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8470 (b) ₹1470 (c) ₹8960 (d) ₹7490
18. 18.₹7500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7950 (b) ₹10200 (c) ₹9750 (d) ₹2250
19. 19.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹1200 (b) ₹4800 (c) ₹3600 (d) ₹13600
20. 20.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹810 (b) ₹2430 (c) ₹10620 (d) ₹1620
21. 21.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6900 (b) ₹6180 (c) ₹720 (d) ₹6720
22. 22.What is the simple interest on ₹10000 at 11% per year for 2 years? (a) ₹12200 (b) ₹3300 (c) ₹2200 (d) ₹1100
23. 23.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹11700 (b) ₹540 (c) ₹2700 (d) ₹3240
24. 24.The simple interest on ₹3500 for 5 years is ₹1925. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
25. 25.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹4950 (c) ₹900 (d) ₹5850
26. 26.The simple interest on ₹7500 for 5 years is ₹4125. What is the rate per year? (a) 11% (b) 55% (c) 12% (d) 10%
27. 27.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹7865 (b) ₹1365 (c) ₹455 (d) ₹1820
28. 28.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹11400 (b) ₹2100 (c) ₹700 (d) ₹1400
29. 29.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹1800 (b) ₹360 (c) ₹6300 (d) ₹2160
30. 30.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 9% (b) 10% (c) 36% (d) 8%
31. 31.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹200 (b) ₹10800 (c) ₹800 (d) ₹1000
32. 32.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 16%
33. 33.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3570 (b) ₹3850 (c) ₹3920 (d) ₹350
34. 34.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2625 (b) ₹3125 (c) ₹3250 (d) ₹625
35. 35.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹2120 (c) ₹120 (d) ₹2160
36. 36.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
37. 37.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 27%
38. 38.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
39. 39.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
40. 40.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%

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