Assertion (A): The surface area of the cuboid formed by joining two cubes of sides 4 cm each, end-to-end, is 160 cm^2. Reason (R): The surface area…

Assertion (A) : The surface area of the cuboid formed by joining two cubes of sides $\displaystyle 4$ cm each, end-to-end, is $\displaystyle 160 \mathrm{~cm}^{2}$. Reason (R): The surface area of a cuboid of dimensions $\displaystyle l \times \mathrm{b} \times \mathrm{h}$ is $\displaystyle (l \mathrm{~b}+\mathrm{bh}+\mathrm{h} l)$.