Question

Five square flower beds each of sides $1$ mare dug on a piece of land $5m$ long and $4m$ wide. What is the area of the remaining part of the land?

Answer 1

Total area of land$=5\times 4$ $=20m^2$

Area of $5$ flower beds$=5\times 1\times 1$

$=5m^2$

Therefore, remaining part of land $=20-5=15m^2$