Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 310 · 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 ₹4000 at 12% per year for 5 years? (a) ₹6400 (b) ₹480 (c) ₹2880 (d) ₹2400
2. 2.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹11400 (b) ₹1425 (c) ₹10925 (d) ₹9975
3. 3.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹350 (b) ₹8400 (c) ₹1400 (d) ₹1750
4. 4.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹11500 (b) ₹1500 (c) ₹12000 (d) ₹10500
5. 5.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹3300 (b) ₹13300 (c) ₹1100 (d) ₹4400
6. 6.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹8470 (c) ₹7490 (d) ₹1470
7. 7.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹6840 (c) ₹6420 (d) ₹7260
8. 8.₹6000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6120 (b) ₹6720 (c) ₹6600 (d) ₹600
9. 9.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 20%
10. 10.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹850 (b) ₹10200 (c) ₹1700 (d) ₹2550
11. 11.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 4% (b) 5% (c) 15% (d) 6%
12. 12.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
13. 13.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹11210 (b) ₹1710 (c) ₹570 (d) ₹2280
14. 14.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹250 (b) ₹3750 (c) ₹1500 (d) ₹1250
15. 15.In how many years will ₹4000 earn ₹880 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
16. 16.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹120 (d) ₹1740
17. 17.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5350 (b) ₹6050 (c) ₹700 (d) ₹5700
18. 18.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹500 (b) ₹2750 (c) ₹3250 (d) ₹3000
19. 19.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
20. 20.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
21. 21.The simple interest on ₹4500 for 2 years is ₹630. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
22. 22.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
23. 23.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%
25. 25.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹240 (b) ₹6720 (c) ₹960 (d) ₹720
26. 26.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7540 (b) ₹1040 (c) ₹7800 (d) ₹6760
27. 27.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3900 (b) ₹600 (c) ₹3300 (d) ₹3600
28. 28.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹2700 (b) ₹3600 (c) ₹12700 (d) ₹900
29. 29.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
30. 30.₹9000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9900 (b) ₹900 (c) ₹9180 (d) ₹10080
31. 31.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 10% (c) 30% (d) 11%
32. 32.The simple interest on ₹8000 for 4 years is ₹3520. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
33. 33.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹4350 (c) ₹3270 (d) ₹4080
34. 34.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹7280 (b) ₹1040 (c) ₹780 (d) ₹260
35. 35.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1080 (b) ₹1400 (c) ₹400 (d) ₹1480
36. 36.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹9525 (b) ₹2700 (c) ₹675 (d) ₹2025
37. 37.₹7500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8250 (b) ₹8100 (c) ₹7650 (d) ₹600
38. 38.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5225 (b) ₹15770 (c) ₹14725 (d) ₹10545
39. 39.The simple interest on ₹9500 for 5 years is ₹2850. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
40. 40.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%

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