Question : The area (in m²) of a circular path of uniform width $x$ metres surrounding a circular region of diameter d metres is _____.

Option 1: $\pi x(x+2 \mathrm{~d})$

Option 2: $\pi x(x+\mathrm{d})$

Option 3: $\pi x(2 x+\mathrm{d})$

Option 4: $\pi x\left(x+\frac{\mathrm{d}}{2}\right)$

Question : What was the shape of the Great Bath of Mohenjo Daro?

Option 1: Rectangular

Option 2: Square

Option 3: Elliptical

Option 4: Circular