Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 190 · 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 ₹8000 earn ₹800 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
2. 2.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 40% (b) 7% (c) 9% (d) 8%
3. 3.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹7800 (c) ₹7950 (d) ₹7650
4. 4.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
5. 5.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹2480 (b) ₹480 (c) ₹240 (d) ₹720
6. 6.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹140 (b) ₹560 (c) ₹4060 (d) ₹700
7. 7.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹3240 (d) ₹11700
8. 8.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
9. 9.The simple interest on ₹9000 for 2 years is ₹1440. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
10. 10.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹400 (b) ₹2400 (c) ₹6000 (d) ₹2000
11. 11.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9095 (b) ₹11475 (c) ₹10880 (d) ₹2380
12. 12.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹1860 (c) ₹240 (d) ₹1740
13. 13.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹10240 (b) ₹560 (c) ₹2800 (d) ₹2240
14. 14.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
15. 15.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10600 (b) ₹13600 (c) ₹13000 (d) ₹3000
16. 16.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹140 (b) ₹700 (c) ₹560 (d) ₹7560
17. 17.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2650 (b) ₹750 (c) ₹3400 (d) ₹3250
18. 18.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹200 (c) ₹400 (d) ₹600
19. 19.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
20. 20.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
21. 21.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
22. 22.In how many years will ₹4000 earn ₹720 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
23. 23.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
24. 24.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹660 (b) ₹3300 (c) ₹8140 (d) ₹2640
25. 25.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
26. 26.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹1320 (c) ₹7260 (d) ₹6820
27. 27.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2300 (b) ₹200 (c) ₹2100 (d) ₹2200
28. 28.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹320 (b) ₹8960 (c) ₹960 (d) ₹1280
29. 29.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹480 (b) ₹1480 (c) ₹120 (d) ₹600
30. 30.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3450 (b) ₹3090 (c) ₹360 (d) ₹3360
31. 31.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
32. 32.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8240 (b) ₹8720 (c) ₹8960 (d) ₹720
33. 33.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹700 (b) ₹525 (c) ₹175 (d) ₹4025
34. 34.The simple interest on ₹8500 for 3 years is ₹1275. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
35. 35.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2200 (c) ₹2040 (d) ₹2160
36. 36.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹3080 (b) ₹2310 (c) ₹9310 (d) ₹770
37. 37.The simple interest on ₹7500 for 5 years is ₹4125. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
38. 38.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
39. 39.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹2430 (b) ₹405 (c) ₹2025 (d) ₹6525
40. 40.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%

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