A marble tile measures $15 \mathrm{cm}\times 20 \mathrm{cm}$. How many tiles will be required to cover a wall of size $4 \mathrm{m}\times 6 \mathrm{m}?$

Find the value of K

The following figures have been split into rectangles. The area is ${\mathrm{K} \mathrm{cm}}^2$

Find the value of K.

The figure has been split into rectangles. Its area is ${\mathrm{K} \mathrm{cm}}^2$ . 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$. 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$ . 

Split the shape into rectangles and find the value of K if the area is ${\mathrm{K} \mathrm{cm}}^2$. 

How many tiles with dimensions $5 \mathrm{cm}$ and $12 \mathrm{cm}$ will be needed to fit a region whose length and breadth are $100 \mathrm{cm}$ and $144 \mathrm{cm}$.