Multiple choice questions

The area of $△PST$ in the given figure is $12 {\mathrm{cm}}^2$. The area of the parallelogram $PQRS$ is :

The circumference of a circle of diameter $10 \mathrm{cm}$ is:

If the area of a circle is $154 \mathrm{sq}. \mathrm{cm}$, then its diameter is:

The perimeter of the given shape is:

The area of the shaded portion in the given figure is:

If the area of a square field is $16$ hectares, then its perimeter is:

The perimeter of the given shape is:

Which of the following has a more shaded area?