Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 97 · 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 ₹3500 at 3% per year for 2 years? (a) ₹315 (b) ₹210 (c) ₹3710 (d) ₹105
2. 2.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹2300 (c) ₹2400 (d) ₹2100
3. 3.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
4. 4.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹10625 (b) ₹425 (c) ₹2550 (d) ₹2125
5. 5.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6720 (c) ₹6240 (d) ₹6480
6. 6.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5665 (b) ₹5995 (c) ₹330 (d) ₹5830
7. 7.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
8. 8.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹10800 (b) ₹200 (c) ₹1000 (d) ₹800
9. 9.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
10. 10.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
11. 11.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹700 (b) ₹9100 (c) ₹2800 (d) ₹2100
12. 12.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
13. 13.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹200 (b) ₹400 (c) ₹10400 (d) ₹600
14. 14.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6325 (b) ₹825 (c) ₹6490 (d) ₹5665
15. 15.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4760 (b) ₹1260 (c) ₹5075 (d) ₹3815
16. 16.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹2250 (c) ₹11250 (d) ₹9450
17. 17.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹760 (b) ₹10260 (c) ₹1140 (d) ₹380
18. 18.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
19. 19.In how many years will ₹6500 earn ₹3120 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
20. 20.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹2900 (d) ₹900
21. 21.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
22. 22.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹750 (b) ₹3250 (c) ₹1000 (d) ₹250
23. 23.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
24. 24.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
25. 25.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹3150 (c) ₹300 (d) ₹3450
26. 26.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹3000 (b) ₹9900 (c) ₹2400 (d) ₹600
27. 27.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
28. 28.The simple interest on ₹9500 for 5 years is ₹1900. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 3%
29. 29.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
30. 30.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹8720 (c) ₹8240 (d) ₹8960
31. 31.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹140 (b) ₹700 (c) ₹4060 (d) ₹560
32. 32.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹675 (b) ₹540 (c) ₹135 (d) ₹2040
33. 33.₹7000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7140 (b) ₹7700 (c) ₹560 (d) ₹7560
34. 34.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹8960 (c) ₹8160 (d) ₹800
35. 35.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹10620 (b) ₹1620 (c) ₹2430 (d) ₹810
36. 36.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹4950 (c) ₹5400 (d) ₹5850
37. 37.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹480 (b) ₹4960 (c) ₹960 (d) ₹1440
38. 38.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹9100 (c) ₹7420 (d) ₹8680
39. 39.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹500 (b) ₹125 (c) ₹625 (d) ₹3000
40. 40.In how many years will ₹10000 earn ₹4000 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years

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