Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 160 · 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 ₹5500 at 9% per year for 4 years? (a) ₹495 (b) ₹1980 (c) ₹2475 (d) ₹7480
2. 2.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹40 (b) ₹60 (c) ₹20 (d) ₹1040
3. 3.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹440 (c) ₹110 (d) ₹550
4. 4.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
5. 5.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹7280 (c) ₹6760 (d) ₹520
6. 6.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹1500 (b) ₹500 (c) ₹600 (d) ₹100
7. 7.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹200 (b) ₹1150 (c) ₹50 (d) ₹150
8. 8.₹9000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10890 (b) ₹1260 (c) ₹10260 (d) ₹9630
9. 9.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
10. 10.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹4445 (b) ₹315 (c) ₹1260 (d) ₹945
11. 11.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
12. 12.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
13. 13.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹780 (b) ₹6695 (c) ₹7280 (d) ₹7475
14. 14.What is the simple interest on ₹5500 at 11% per year for 5 years? (a) ₹605 (b) ₹3630 (c) ₹8525 (d) ₹3025
15. 15.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
16. 16.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
17. 17.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 21% (b) 7% (c) 6% (d) 8%
18. 18.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9265 (b) ₹3060 (c) ₹12325 (d) ₹11560
19. 19.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10200 (b) ₹1700 (c) ₹10540 (d) ₹8840
20. 20.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
21. 21.₹9000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹12240 (b) ₹3240 (c) ₹13320 (d) ₹10080
22. 22.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
23. 23.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2900 (b) ₹2600 (c) ₹400 (d) ₹3000
24. 24.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
25. 25.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
26. 26.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹5100 (b) ₹1020 (c) ₹4080 (d) ₹12580
27. 27.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 5% (c) 10% (d) 6%
28. 28.The simple interest on ₹7500 for 4 years is ₹2100. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 28%
29. 29.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
30. 30.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹500 (b) ₹250 (c) ₹750 (d) ₹5500
31. 31.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹1890 (b) ₹630 (c) ₹1260 (d) ₹10260
32. 32.The simple interest on ₹6000 for 3 years is ₹2160. What is the rate per year? (a) 36% (b) 12% (c) 11% (d) 13%
33. 33.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹280 (b) ₹210 (c) ₹1210 (d) ₹70
34. 34.What is the simple interest on ₹6000 at 9% per year for 5 years? (a) ₹8700 (b) ₹540 (c) ₹3240 (d) ₹2700
35. 35.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹630 (b) ₹2520 (c) ₹3150 (d) ₹11520
36. 36.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹760 (b) ₹4560 (c) ₹13300 (d) ₹3800
37. 37.In how many years will ₹5500 earn ₹1815 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
38. 38.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2175 (b) ₹2040 (c) ₹1635 (d) ₹540
39. 39.In how many years will ₹7000 earn ₹700 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
40. 40.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹180 (c) ₹360 (d) ₹540

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