Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 234 · 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.In how many years will ₹5500 earn ₹3025 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
2. 2.What is the simple interest on ₹7000 at 7% per year for 5 years? (a) ₹2450 (b) ₹2940 (c) ₹9450 (d) ₹490
3. 3.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹640 (b) ₹960 (c) ₹4640 (d) ₹320
4. 4.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹1180 (b) ₹180 (c) ₹60 (d) ₹240
5. 5.In how many years will ₹5000 earn ₹200 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
6. 6.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
7. 7.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
8. 8.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
9. 9.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
10. 10.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
11. 11.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹3600 (b) ₹2400 (c) ₹1200 (d) ₹12400
12. 12.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11000 (b) ₹4000 (c) ₹14000 (d) ₹15000
13. 13.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
14. 14.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹3300 (b) ₹300 (c) ₹150 (d) ₹450
15. 15.₹6500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹8450 (b) ₹1560 (c) ₹8060 (d) ₹6890
16. 16.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
17. 17.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹100 (b) ₹50 (c) ₹150 (d) ₹2600
18. 18.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹8640 (c) ₹11840 (d) ₹11200
19. 19.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
20. 20.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1200 (b) ₹7440 (c) ₹6240 (d) ₹7200
21. 21.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹450 (b) ₹150 (c) ₹600 (d) ₹3450
22. 22.₹8000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹8400 (c) ₹9200 (d) ₹8800
23. 23.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹630 (b) ₹3630 (c) ₹210 (d) ₹840
24. 24.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
25. 25.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
26. 26.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹1950 (b) ₹450 (c) ₹150 (d) ₹600
27. 27.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹150 (d) ₹5300
28. 28.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹280 (c) ₹7140 (d) ₹7420
29. 29.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹2900 (b) ₹600 (c) ₹200 (d) ₹400
30. 30.₹8500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹9180 (b) ₹12580 (c) ₹3400 (d) ₹11900
31. 31.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
32. 32.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹1820 (b) ₹455 (c) ₹7865 (d) ₹1365
33. 33.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
34. 34.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹2880 (b) ₹2160 (c) ₹720 (d) ₹10160
35. 35.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
36. 36.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2240 (b) ₹160 (c) ₹2160 (d) ₹2080
37. 37.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 44%
38. 38.What is the simple interest on ₹1500 at 8% per year for 4 years? (a) ₹1980 (b) ₹120 (c) ₹480 (d) ₹600
39. 39.The simple interest on ₹10000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
40. 40.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years

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