Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 424 · 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.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%
2. 2.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
3. 3.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹600 (b) ₹480 (c) ₹120 (d) ₹6480
4. 4.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹10800 (b) ₹1200 (c) ₹400 (d) ₹800
5. 5.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹210 (b) ₹280 (c) ₹70 (d) ₹1210
6. 6.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹4480 (c) ₹360 (d) ₹4120
7. 7.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹9000 (b) ₹600 (c) ₹3000 (d) ₹3600
8. 8.What is the simple interest on ₹7500 at 6% per year for 5 years? (a) ₹9750 (b) ₹2700 (c) ₹2250 (d) ₹450
9. 9.What is the simple interest on ₹7000 at 5% per year for 2 years? (a) ₹1050 (b) ₹350 (c) ₹7700 (d) ₹700
10. 10.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
11. 11.What is the simple interest on ₹6500 at 8% per year for 4 years? (a) ₹8580 (b) ₹2080 (c) ₹520 (d) ₹2600
12. 12.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
13. 13.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3900 (b) ₹650 (c) ₹3250 (d) ₹9750
14. 14.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹540 (b) ₹360 (c) ₹4860 (d) ₹180
15. 15.₹9500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10165 (b) ₹11495 (c) ₹12160 (d) ₹1995
16. 16.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
17. 17.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 11% (c) 12% (d) 10%
18. 18.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
19. 19.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
20. 20.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹450 (b) ₹2950 (c) ₹600 (d) ₹150
21. 21.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹11600 (b) ₹4320 (c) ₹720 (d) ₹3600
22. 22.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹945 (b) ₹3815 (c) ₹4760 (d) ₹4445
23. 23.The simple interest on ₹9000 for 3 years is ₹3240. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
24. 24.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
25. 25.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
26. 26.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
27. 27.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹6540 (c) ₹8160 (d) ₹7620
28. 28.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10925 (b) ₹10450 (c) ₹9975 (d) ₹950
29. 29.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
30. 30.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹2080 (c) ₹400 (d) ₹2480
31. 31.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹1300 (b) ₹7800 (c) ₹1560 (d) ₹260
32. 32.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6180 (b) ₹720 (c) ₹6720 (d) ₹6900
33. 33.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹810 (b) ₹270 (c) ₹540 (d) ₹3540
34. 34.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹330 (b) ₹6490 (c) ₹990 (d) ₹1320
35. 35.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
36. 36.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹1300 (d) ₹400
37. 37.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2560 (b) ₹2140 (c) ₹560 (d) ₹2700
38. 38.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹3240 (c) ₹3180 (d) ₹3060
39. 39.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹225 (b) ₹1545 (c) ₹1725 (d) ₹1770
40. 40.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1190 (b) ₹10285 (c) ₹9690 (d) ₹9095

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