The outer dimensions of a jewellery box made of wood are $20 \mathrm{cm} \times 16 \mathrm{cm} \times 8 \mathrm{cm}$ The thickness of the wood is $1 \mathrm{cm}$. Find the total cost of wood required to make the box, if $1 {\mathrm{cm}}^3$ of wood costs $₹ 2.50$

Find the total surface area, lateral surface area and the length of the diagonal of a cube whose edge is:

$4.5 \mathrm{cm}$

Find the total surface area, lateral surface area and the length of the diagonal of a cube whose edge is:

$3.2 \mathrm{m}$

Find the total surface area, lateral surface area and the length of the diagonal of a cube whose edge is $12 \mathrm{dm}$

Find the total surface area, lateral surface area and the length of the diagonal of a cube whose edge is:

$1 \mathrm{dm} 5 \mathrm{cm}$