Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 704 · 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 ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹250 (c) ₹375 (d) ₹125
2. 2.What is the simple interest on ₹6500 at 4% per year for 4 years? (a) ₹1040 (b) ₹1300 (c) ₹7540 (d) ₹260
3. 3.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 13% (b) 12% (c) 60% (d) 11%
4. 4.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹4130 (b) ₹945 (c) ₹630 (d) ₹315
5. 5.What is the simple interest on ₹2000 at 10% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹2600 (d) ₹600
6. 6.What is the simple interest on ₹4000 at 2% per year for 3 years? (a) ₹240 (b) ₹80 (c) ₹4240 (d) ₹320
7. 7.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
8. 8.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹320 (c) ₹2400 (d) ₹2320
9. 9.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹715 (b) ₹8645 (c) ₹2145 (d) ₹2860
10. 10.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹3840 (b) ₹2880 (c) ₹10880 (d) ₹960
11. 11.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹660 (b) ₹220 (c) ₹440 (d) ₹5940
12. 12.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
13. 13.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
14. 14.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
15. 15.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8755 (b) ₹9775 (c) ₹10030 (d) ₹1275
16. 16.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
17. 17.What is the simple interest on ₹2000 at 12% per year for 4 years? (a) ₹240 (b) ₹960 (c) ₹1200 (d) ₹2960
18. 18.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹2925 (b) ₹8840 (c) ₹585 (d) ₹2340
19. 19.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
20. 20.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3720 (b) ₹720 (c) ₹3360 (d) ₹4080
21. 21.The simple interest on ₹2000 for 4 years is ₹560. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
22. 22.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
23. 23.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹2560 (d) ₹140
24. 24.₹8000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3520 (b) ₹8880 (c) ₹12400 (d) ₹11520
25. 25.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 45%
26. 26.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6750 (b) ₹5350 (c) ₹6400 (d) ₹1400
27. 27.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹570 (b) ₹11210 (c) ₹2280 (d) ₹1710
28. 28.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
29. 29.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
30. 30.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹2240 (d) ₹120
31. 31.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4620 (b) ₹4340 (c) ₹840 (d) ₹3780
32. 32.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 3% (b) 12% (c) 5% (d) 4%
33. 33.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
34. 34.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹30 (b) ₹120 (c) ₹90 (d) ₹1590
35. 35.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹300 (b) ₹600 (c) ₹900 (d) ₹6600
36. 36.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹12070 (b) ₹11475 (c) ₹9095 (d) ₹2975
37. 37.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹450 (b) ₹3450 (c) ₹150 (d) ₹600
38. 38.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
39. 39.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1650 (b) ₹120 (c) ₹1530 (d) ₹1620
40. 40.What is the simple interest on ₹6000 at 10% per year for 4 years? (a) ₹2400 (b) ₹600 (c) ₹8400 (d) ₹3000

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