Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 265 · 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.₹300 earns 8% simple interest per year. In how many years will the interest be ₹72?
2. 2.₹1800 earns 10% simple interest per year. In how many years will the interest be ₹540?
3. 3.Aarav keeps ₹1100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
4. 4.Saanvi keeps ₹100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
5. 5.Riya has ₹1200. In a piggy bank it stays ₹1200. In a bank at 10% simple interest per year, how many rupees more will Riya have after 1 year?
6. 6.Rohan keeps ₹300 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
7. 7.₹1100 earns 6% simple interest per year. In how many years will the interest be ₹66?
8. 8.Riya keeps ₹1100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
9. 9.Rahul keeps ₹700 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
10. 10.Diya keeps ₹800 in a bank. After 2 years the simple interest is ₹48. What is the rate of interest per year (in %)?
11. 11.Aarav keeps ₹400 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 4 years?
12. 12.Rohan keeps ₹1700 in a bank. After 4 years the simple interest is ₹544. What is the rate of interest per year (in %)?
13. 13.Dev keeps ₹1000 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
14. 14.Ishaan has ₹1000. In a piggy bank it stays ₹1000. In a bank at 7% simple interest per year, how many rupees more will Ishaan have after 5 years?
15. 15.₹1300 earns 3% simple interest per year. In how many years will the interest be ₹156?
16. 16.Riya keeps ₹2000 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
17. 17.₹1000 earns 3% simple interest per year. In how many years will the interest be ₹150?
18. 18.Dev has ₹1700. In a piggy bank it stays ₹1700. In a bank at 8% simple interest per year, how many rupees more will Dev have after 1 year?
19. 19.Zoya has ₹600. In a piggy bank it stays ₹600. In a bank at 6% simple interest per year, how many rupees more will Zoya have after 4 years?
20. 20.Nisha has ₹1600. In a piggy bank it stays ₹1600. In a bank at 10% simple interest per year, how many rupees more will Nisha have after 1 year?
21. 21.Pooja has ₹1000. In a piggy bank it stays ₹1000. In a bank at 4% simple interest per year, how many rupees more will Pooja have after 3 years?
22. 22.Kavya keeps ₹900 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
23. 23.Nisha has ₹2000. In a piggy bank it stays ₹2000. In a bank at 6% simple interest per year, how many rupees more will Nisha have after 5 years?
24. 24.Ishaan keeps ₹1500 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
25. 25.Arjun keeps ₹600 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?
26. 26.Ishaan keeps ₹1700 in a bank at 8% simple interest per year. How much money will there be after 4 years (in ₹)?
27. 27.Kabir keeps ₹500 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
28. 28.Isha keeps ₹100 in a bank at 4% simple interest per year. How much money will there be after 2 years (in ₹)?
29. 29.Arjun keeps ₹1000 in a bank. After 4 years the simple interest is ₹120. What is the rate of interest per year (in %)?
30. 30.Lakshmi has ₹1500. In a piggy bank it stays ₹1500. In a bank at 10% simple interest per year, how many rupees more will Lakshmi have after 5 years?
31. 31.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹256?
32. 32.Manav keeps ₹200 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 5 years?
33. 33.Nisha has ₹100. In a piggy bank it stays ₹100. In a bank at 3% simple interest per year, how many rupees more will Nisha have after 1 year?
34. 34.₹400 earns 6% simple interest per year. In how many years will the interest be ₹48?
35. 35.Tara keeps ₹700 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
36. 36.₹800 earns 8% simple interest per year. In how many years will the interest be ₹256?
37. 37.Saanvi keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
38. 38.Ananya keeps ₹900 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
39. 39.Nisha keeps ₹700 in a bank. After 1 year the simple interest is ₹49. What is the rate of interest per year (in %)?
40. 40.₹400 earns 7% simple interest per year. In how many years will the interest be ₹140?

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