Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 174 · 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.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹10260 (c) ₹760 (d) ₹9880
2. 2.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
3. 3.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹390 (b) ₹2340 (c) ₹8450 (d) ₹1950
4. 4.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹440 (b) ₹1760 (c) ₹1320 (d) ₹5320
5. 5.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹4770 (d) ₹270
6. 6.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
7. 7.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4760 (b) ₹3815 (c) ₹5075 (d) ₹1260
8. 8.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
9. 9.In how many years will ₹7000 earn ₹1400 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
10. 10.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
11. 11.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 9% (b) 18% (c) 10% (d) 8%
12. 12.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
13. 13.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
14. 14.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
15. 15.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹8480 (b) ₹480 (c) ₹640 (d) ₹160
16. 16.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
17. 17.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 12% (b) 11% (c) 24% (d) 13%
18. 18.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
19. 19.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
20. 20.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
21. 21.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹9810 (c) ₹9270 (d) ₹10080
22. 22.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
23. 23.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹12800 (b) ₹2800 (c) ₹3500 (d) ₹700
24. 24.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹4500 (b) ₹3600 (c) ₹12600 (d) ₹900
25. 25.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
26. 26.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2750 (b) ₹3000 (c) ₹500 (d) ₹3250
27. 27.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
28. 28.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6325 (b) ₹550 (c) ₹5775 (d) ₹6050
29. 29.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹600 (b) ₹200 (c) ₹10600 (d) ₹800
30. 30.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹40 (b) ₹1020 (c) ₹1060 (d) ₹1040
31. 31.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
32. 32.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹7930 (b) ₹2145 (c) ₹715 (d) ₹1430
33. 33.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
34. 34.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
35. 35.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹315 (b) ₹105 (c) ₹210 (d) ₹1710
36. 36.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 5% (b) 30% (c) 7% (d) 6%
37. 37.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹2080 (b) ₹1560 (c) ₹520 (d) ₹8060
38. 38.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹1800 (d) ₹11200
39. 39.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
40. 40.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%

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