Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 332 · 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.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5610 (b) ₹6050 (c) ₹550 (d) ₹6160
2. 2.What is the simple interest on ₹2000 at 6% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹120 (d) ₹2360
3. 3.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹3150 (b) ₹10150 (c) ₹3780 (d) ₹630
4. 4.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹700 (b) ₹2800 (c) ₹2100 (d) ₹12100
5. 5.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1200 (b) ₹7440 (c) ₹6240 (d) ₹7200
6. 6.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
7. 7.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
8. 8.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹150 (d) ₹3300
9. 9.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹250 (b) ₹750 (c) ₹1000 (d) ₹5750
10. 10.In how many years will ₹7500 earn ₹1500 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
11. 11.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹960 (b) ₹240 (c) ₹2720 (d) ₹720
12. 12.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
13. 13.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
14. 14.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
15. 15.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹700 (b) ₹2800 (c) ₹2100 (d) ₹9100
16. 16.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
17. 17.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹14800 (b) ₹11200 (c) ₹13600 (d) ₹3600
18. 18.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
19. 19.₹2000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2640 (b) ₹2160 (c) ₹480 (d) ₹2480
20. 20.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹2560 (c) ₹2700 (d) ₹2140
21. 21.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
23. 23.In how many years will ₹8500 earn ₹510 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
24. 24.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1020 (b) ₹1100 (c) ₹80 (d) ₹1080
25. 25.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4060 (c) ₹3780 (d) ₹4340
26. 26.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 36%
27. 27.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
28. 28.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
29. 29.What is the simple interest on ₹7000 at 8% per year for 5 years? (a) ₹9800 (b) ₹2800 (c) ₹3360 (d) ₹560
30. 30.The simple interest on ₹3500 for 3 years is ₹525. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%
31. 31.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹550 (d) ₹1550
32. 32.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹13680 (b) ₹4180 (c) ₹5225 (d) ₹1045
33. 33.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
34. 34.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹10125 (c) ₹9600 (d) ₹8025
35. 35.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 7% (b) 6% (c) 30% (d) 5%
36. 36.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
37. 37.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
38. 38.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9095 (b) ₹1190 (c) ₹9690 (d) ₹10285
39. 39.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹8120 (c) ₹840 (d) ₹7280
40. 40.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1665 (b) ₹1830 (c) ₹1995 (d) ₹330

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