Prism and Pyramid

How many total number of Faces, edges and vertices does a Triangular pyramid have?

A rectangular prism has $8$ faces, $10$ edges and $10$ vertices.

A rectangular prism is also known as cube.

FInd the volume of a box in $\left({\mathrm{m}}^3\right)$which is in the shape of a rectangular prism whose length, breadth and height is given by $8 \mathrm{m},7 \mathrm{m},6 \mathrm{m}$

How many litres of water a tank can occupy which is in the shape of a rectangular prism whose length, breadth and height is given as $6 \mathrm{m}$, $3 \mathrm{m}$ and $4 \mathrm{m}$

Arun has a chocolate box whose shape resembled that of a rectangular prism whose length is $6 \mathrm{m}$, height is $2 \mathrm{m}$ and width is $4 \mathrm{m}$. Find the volume of the box in $\left({\mathrm{m}}^3\right)$

Which of the following is a prism?

A given ray of light suffers minimum deviation in an equilateral prism $P$. Additional prism $Q$ and $R$ of identical shape and of the same materials as $P$ are now added as shown in the figure. The ray will now suffer