Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 50 · 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.₹900 earns 4% simple interest per year. In how many years will the interest be ₹72?
2. 2.Aditya keeps ₹500 in a bank. After 1 year the simple interest is ₹20. What is the rate of interest per year (in %)?
3. 3.Rahul keeps ₹700 in a bank. After 5 years the simple interest is ₹210. What is the rate of interest per year (in %)?
4. 4.Riya keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
5. 5.₹1700 earns 9% simple interest per year. In how many years will the interest be ₹459?
6. 6.Riya has ₹700. In a piggy bank it stays ₹700. In a bank at 8% simple interest per year, how many rupees more will Riya have after 5 years?
7. 7.₹1100 earns 5% simple interest per year. In how many years will the interest be ₹275?
8. 8.Pooja keeps ₹1900 in a bank. After 5 years the simple interest is ₹950. What is the rate of interest per year (in %)?
9. 9.Pooja has ₹1900. In a piggy bank it stays ₹1900. In a bank at 5% simple interest per year, how many rupees more will Pooja have after 1 year?
10. 10.Isha keeps ₹600 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
11. 11.Ishaan has ₹500. In a piggy bank it stays ₹500. In a bank at 2% simple interest per year, how many rupees more will Ishaan have after 4 years?
12. 12.Aarav keeps ₹600 in a bank. After 1 year the simple interest is ₹60. What is the rate of interest per year (in %)?
13. 13.Joseph keeps ₹1700 in a bank. After 1 year the simple interest is ₹68. What is the rate of interest per year (in %)?
14. 14.Meera has ₹200. In a piggy bank it stays ₹200. In a bank at 3% simple interest per year, how many rupees more will Meera have after 1 year?
15. 15.Manav keeps ₹500 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
16. 16.₹400 earns 8% simple interest per year. In how many years will the interest be ₹160?
17. 17.Ananya keeps ₹400 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
18. 18.Kavya keeps ₹600 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
19. 19.Aarav has ₹600. In a piggy bank it stays ₹600. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 3 years?
20. 20.Isha keeps ₹1400 in a bank. After 2 years the simple interest is ₹140. What is the rate of interest per year (in %)?
21. 21.₹500 earns 5% simple interest per year. In how many years will the interest be ₹75?
22. 22.₹2000 earns 10% simple interest per year. In how many years will the interest be ₹600?
23. 23.Priya keeps ₹2000 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
24. 24.₹100 earns 4% simple interest per year. In how many years will the interest be ₹12?
25. 25.Ananya keeps ₹500 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
26. 26.Arjun keeps ₹700 in a bank at 7% simple interest per year. How much money will there be after 2 years (in ₹)?
27. 27.Kabir keeps ₹500 in a bank. After 1 year the simple interest is ₹45. What is the rate of interest per year (in %)?
28. 28.Kabir has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Kabir have after 3 years?
29. 29.Zoya keeps ₹500 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
30. 30.Karan keeps ₹1600 in a bank. After 4 years the simple interest is ₹576. What is the rate of interest per year (in %)?
31. 31.Aarav keeps ₹700 in a bank. After 2 years the simple interest is ₹112. What is the rate of interest per year (in %)?
32. 32.Arjun keeps ₹2000 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?
33. 33.₹800 earns 3% simple interest per year. In how many years will the interest be ₹48?
34. 34.Ishaan keeps ₹200 in a bank. After 1 year the simple interest is ₹18. What is the rate of interest per year (in %)?
35. 35.Meera keeps ₹700 in a bank. After 3 years the simple interest is ₹63. What is the rate of interest per year (in %)?
36. 36.Karan keeps ₹1300 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
37. 37.Gurpreet keeps ₹1200 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 4 years?
38. 38.Saanvi has ₹1100. In a piggy bank it stays ₹1100. In a bank at 4% simple interest per year, how many rupees more will Saanvi have after 4 years?
39. 39.Tara keeps ₹1000 in a bank. After 4 years the simple interest is ₹200. What is the rate of interest per year (in %)?
40. 40.Ananya keeps ₹1500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?

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