Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 373 · 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.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹4080 (c) ₹3720 (d) ₹720
2. 2.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
3. 3.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹1320 (c) ₹80 (d) ₹400
4. 4.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹2800 (c) ₹3000 (d) ₹2200
5. 5.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹960 (b) ₹3840 (c) ₹10880 (d) ₹2880
6. 6.What is the simple interest on ₹5000 at 4% per year for 2 years? (a) ₹5400 (b) ₹400 (c) ₹600 (d) ₹200
7. 7.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
8. 8.The simple interest on ₹10000 for 3 years is ₹2700. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
9. 9.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
10. 10.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹5425 (c) ₹1925 (d) ₹385
11. 11.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
12. 12.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹3920 (d) ₹210
13. 13.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹2750 (c) ₹2550 (d) ₹200
14. 14.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹90 (b) ₹540 (c) ₹450 (d) ₹4950
15. 15.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
16. 16.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
17. 17.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1520 (b) ₹1140 (c) ₹10640 (d) ₹380
18. 18.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹10000 (c) ₹9600 (d) ₹1600
19. 19.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
20. 20.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹5300 (c) ₹5200 (d) ₹5100
21. 21.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
22. 22.In how many years will ₹1000 earn ₹550 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
23. 23.₹3500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4025 (b) ₹525 (c) ₹3675 (d) ₹4200
24. 24.The simple interest on ₹7500 for 2 years is ₹450. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
25. 25.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
26. 26.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹600 (c) ₹120 (d) ₹720
27. 27.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
28. 28.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹5940 (b) ₹5610 (c) ₹440 (d) ₹6050
29. 29.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
30. 30.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
31. 31.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹270 (b) ₹1620 (c) ₹10350 (d) ₹1350
32. 32.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
33. 33.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
34. 34.In how many years will ₹5000 earn ₹1350 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
35. 35.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 8% (c) 4% (d) 5%
36. 36.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2420 (b) ₹280 (c) ₹2140 (d) ₹2280
37. 37.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
38. 38.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
39. 39.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
40. 40.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹1100 (b) ₹50 (c) ₹150 (d) ₹100

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