Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 134 · 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.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8755 (b) ₹10030 (c) ₹9775 (d) ₹1275
2. 2.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5580 (b) ₹5940 (c) ₹1080 (d) ₹4860
3. 3.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2850 (b) ₹3025 (c) ₹350 (d) ₹2675
4. 4.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹630 (b) ₹11520 (c) ₹2520 (d) ₹3150
5. 5.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3175 (b) ₹450 (c) ₹2950 (d) ₹2725
6. 6.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7950 (b) ₹1800 (c) ₹9300 (d) ₹9750
7. 7.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹2250 (c) ₹11250 (d) ₹9450
8. 8.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
9. 9.In how many years will ₹10000 earn ₹2000 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
10. 10.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹1400 (c) ₹1100 (d) ₹400
11. 11.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹450 (b) ₹540 (c) ₹4950 (d) ₹90
12. 12.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1815 (b) ₹1605 (c) ₹1710 (d) ₹210
13. 13.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹2880 (c) ₹660 (d) ₹2660
14. 14.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹6655 (c) ₹5885 (d) ₹6270
15. 15.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹400 (b) ₹1600 (c) ₹1200 (d) ₹6200
16. 16.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7150 (b) ₹520 (c) ₹6630 (d) ₹7020
17. 17.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹450 (b) ₹2950 (c) ₹225 (d) ₹675
18. 18.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹180 (b) ₹360 (c) ₹6360 (d) ₹540
19. 19.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8670 (b) ₹9350 (c) ₹680 (d) ₹9180
20. 20.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
21. 21.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹720 (b) ₹4320 (c) ₹11600 (d) ₹3600
22. 22.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹880 (b) ₹440 (c) ₹6380 (d) ₹1320
23. 23.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹1140 (b) ₹10260 (c) ₹760 (d) ₹380
24. 24.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 32%
25. 25.In how many years will ₹8500 earn ₹680 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
26. 26.In how many years will ₹6500 earn ₹2925 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
27. 27.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
28. 28.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 10% (b) 30% (c) 11% (d) 9%
29. 29.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1240 (b) ₹1300 (c) ₹240 (d) ₹1060
30. 30.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
31. 31.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹9000 (c) ₹8700 (d) ₹7800
32. 32.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
33. 33.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
34. 34.The simple interest on ₹7500 for 5 years is ₹750. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
35. 35.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
36. 36.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 20%
37. 37.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 8%
38. 38.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
39. 39.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹650 (b) ₹1950 (c) ₹1300 (d) ₹7800
40. 40.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10925 (b) ₹9785 (c) ₹11210 (d) ₹1425

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