Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 989 · 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 ₹7500 at 5% per year for 5 years? (a) ₹9375 (b) ₹375 (c) ₹2250 (d) ₹1875
2. 2.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%
3. 3.What is the simple interest on ₹8500 at 12% per year for 3 years? (a) ₹1020 (b) ₹3060 (c) ₹4080 (d) ₹11560
4. 4.₹6500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹7280 (c) ₹9620 (d) ₹2340
5. 5.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹135 (b) ₹5175 (c) ₹675 (d) ₹810
6. 6.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹550 (b) ₹6650 (c) ₹1650 (d) ₹2200
7. 7.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹630 (b) ₹210 (c) ₹840 (d) ₹7630
8. 8.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
9. 9.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3360 (c) ₹3180 (d) ₹360
10. 10.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
11. 11.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
12. 12.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
13. 13.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 28% (b) 6% (c) 8% (d) 7%
14. 14.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3000 (b) ₹9000 (c) ₹600 (d) ₹3600
15. 15.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹10900 (b) ₹300 (c) ₹900 (d) ₹1200
16. 16.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹1485 (b) ₹5490 (c) ₹990 (d) ₹495
17. 17.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 36%
18. 18.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2280 (b) ₹12350 (c) ₹11780 (d) ₹10070
19. 19.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹6180 (c) ₹6900 (d) ₹6720
20. 20.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹390 (b) ₹2340 (c) ₹1950 (d) ₹8450
21. 21.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2550 (c) ₹100 (d) ₹2600
22. 22.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹750 (b) ₹5500 (c) ₹500 (d) ₹250
23. 23.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹550 (c) ₹440 (d) ₹110
24. 24.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
25. 25.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
26. 26.What is the simple interest on ₹5000 at 12% per year for 5 years? (a) ₹8000 (b) ₹3600 (c) ₹3000 (d) ₹600
27. 27.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2850 (b) ₹2675 (c) ₹3025 (d) ₹350
28. 28.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹3920 (b) ₹105 (c) ₹525 (d) ₹420
29. 29.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹6480 (c) ₹480 (d) ₹6720
30. 30.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
31. 31.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
32. 32.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
33. 33.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹1160 (b) ₹200 (c) ₹40 (d) ₹160
34. 34.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
35. 35.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹80 (b) ₹40 (c) ₹120 (d) ₹1080
36. 36.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹420 (b) ₹2420 (c) ₹140 (d) ₹560
37. 37.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹80 (c) ₹1060 (d) ₹60
38. 38.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
39. 39.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹5500 (b) ₹6600 (c) ₹15500 (d) ₹1100
40. 40.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years

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