Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 72 · 40 sums

The method (P × R × T ÷ 100): Interest I = P × R × T ÷ 100. Amount after T years = P + I. Turn it round: R = I × 100 ÷ (P × T) and T = I × 100 ÷ (P × R).

1. 1.₹600 earns 4% simple interest per year. In how many years will the interest be ₹120?
2. 2.₹1500 earns 4% simple interest per year. In how many years will the interest be ₹240?
3. 3.Zoya keeps ₹500 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
4. 4.Meera keeps ₹1900 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
5. 5.Karan keeps ₹1000 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
6. 6.₹100 earns 3% simple interest per year. In how many years will the interest be ₹15?
7. 7.Zoya keeps ₹600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?
8. 8.Farhan keeps ₹100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
9. 9.Lakshmi keeps ₹1500 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
10. 10.Zoya keeps ₹900 in a bank. After 2 years the simple interest is ₹90. What is the rate of interest per year (in %)?
11. 11.Lakshmi keeps ₹1100 in a bank. After 5 years the simple interest is ₹495. What is the rate of interest per year (in %)?
12. 12.₹1000 earns 5% simple interest per year. In how many years will the interest be ₹50?
13. 13.Isha keeps ₹1700 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
14. 14.Lakshmi has ₹1400. In a piggy bank it stays ₹1400. In a bank at 8% simple interest per year, how many rupees more will Lakshmi have after 5 years?
15. 15.Vivaan keeps ₹400 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
16. 16.Rohan keeps ₹1700 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?
17. 17.₹1700 earns 4% simple interest per year. In how many years will the interest be ₹68?
18. 18.Farhan has ₹1100. In a piggy bank it stays ₹1100. In a bank at 5% simple interest per year, how many rupees more will Farhan have after 5 years?
19. 19.Ananya keeps ₹100 in a bank. After 3 years the simple interest is ₹30. What is the rate of interest per year (in %)?
20. 20.Sneha keeps ₹300 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
21. 21.Saanvi keeps ₹100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
22. 22.Aarav keeps ₹600 in a bank. After 5 years the simple interest is ₹150. What is the rate of interest per year (in %)?
23. 23.Rohan keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?
24. 24.Aditya keeps ₹100 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
25. 25.Saanvi has ₹1300. In a piggy bank it stays ₹1300. In a bank at 7% simple interest per year, how many rupees more will Saanvi have after 3 years?
26. 26.₹500 earns 4% simple interest per year. In how many years will the interest be ₹40?
27. 27.Nisha keeps ₹2000 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
28. 28.Kabir has ₹400. In a piggy bank it stays ₹400. In a bank at 2% simple interest per year, how many rupees more will Kabir have after 1 year?
29. 29.₹1200 earns 6% simple interest per year. In how many years will the interest be ₹360?
30. 30.Saanvi keeps ₹400 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
31. 31.₹1700 earns 4% simple interest per year. In how many years will the interest be ₹204?
32. 32.₹800 earns 8% simple interest per year. In how many years will the interest be ₹256?
33. 33.Rohan keeps ₹1800 in a bank. After 1 year the simple interest is ₹36. What is the rate of interest per year (in %)?
34. 34.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹120?
35. 35.Diya keeps ₹2000 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
36. 36.Riya keeps ₹800 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
37. 37.Kabir keeps ₹200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
38. 38.Saanvi has ₹800. In a piggy bank it stays ₹800. In a bank at 6% simple interest per year, how many rupees more will Saanvi have after 2 years?
39. 39.Vivaan keeps ₹100 in a bank. After 4 years the simple interest is ₹20. What is the rate of interest per year (in %)?
40. 40.Farhan has ₹600. In a piggy bank it stays ₹600. In a bank at 7% simple interest per year, how many rupees more will Farhan have after 2 years?

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