Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 129 · 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 ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
2. 2.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹1350 (b) ₹5850 (c) ₹1620 (d) ₹270
3. 3.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
4. 4.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
5. 5.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹1440 (b) ₹1920 (c) ₹480 (d) ₹9440
6. 6.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹60 (b) ₹2180 (c) ₹240 (d) ₹180
7. 7.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1060 (b) ₹1240 (c) ₹240 (d) ₹1300
8. 8.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
9. 9.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹8680 (b) ₹560 (c) ₹1680 (d) ₹2240
10. 10.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹250 (b) ₹3250 (c) ₹750 (d) ₹1000
11. 11.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹2160 (b) ₹10160 (c) ₹720 (d) ₹2880
12. 12.₹6000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹9000 (c) ₹2400 (d) ₹6600
13. 13.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
14. 14.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
15. 15.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹255 (b) ₹510 (c) ₹9010 (d) ₹765
16. 16.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
17. 17.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹5940 (c) ₹7260 (d) ₹1320
18. 18.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6955 (b) ₹8320 (c) ₹1820 (d) ₹8775
19. 19.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹600 (b) ₹9900 (c) ₹3000 (d) ₹2400
20. 20.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
21. 21.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
22. 22.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
23. 23.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹605 (c) ₹1210 (d) ₹6710
24. 24.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹7280 (c) ₹6630 (d) ₹650
25. 25.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
26. 26.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
27. 27.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 10% (b) 11% (c) 30% (d) 9%
28. 28.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3120 (b) ₹3600 (c) ₹480 (d) ₹3480
29. 29.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹270 (b) ₹4350 (c) ₹1620 (d) ₹1350
30. 30.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹3990 (b) ₹990 (c) ₹1320 (d) ₹330
31. 31.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1700 (b) ₹8840 (c) ₹10540 (d) ₹10200
32. 32.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3815 (b) ₹5075 (c) ₹1260 (d) ₹4760
33. 33.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹3780 (d) ₹280
34. 34.In how many years will ₹2500 earn ₹700 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
35. 35.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
36. 36.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹840 (b) ₹7700 (c) ₹700 (d) ₹140
37. 37.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹1200 (b) ₹1000 (c) ₹200 (d) ₹6000
38. 38.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹10000 (c) ₹10400 (d) ₹2000
39. 39.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹3270 (b) ₹4080 (c) ₹3810 (d) ₹810
40. 40.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2600 (b) ₹2650 (c) ₹100 (d) ₹2550

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad