The diameter of a circular park is $66$ meters. On its outside, there is a $4 m$ wide path, running around it. Find the cost od turfing the path at $₹2.50$ per square meter.

Amar rolls a wheel along a straight line $AB$. The distance of $AB \text{is} 19.8 m$ and the wheel makes $15$ rotations. What is the radius of the wheel, in cm.

The circumference of a circle exceeds diameter by $18 cm$. Find the radius of the circle.

The diameter of the wheel of a car is $70 cm$. How many revolutions will it make to travel $99 km$?

In a parallelogram, it is given that base $=14 dm$ and altitude is $6.5 dm$. Find its area in $c{m}^2 \& m^2$.

$ABCD$ is a rectangle and $PQ\perp BC$. Find the area of the shaded portion in the adjacent figure.

The two adjacent sides of a parallelogram are $5 cm \& 4 cm$ respectively and if the altitude is $2 cm$ corresponding to the side $5 cm$, then find the length of altitude corresponding to side $4 cm$.

A rectangular lawn measuring $50 m \text{by} 36 m$, is surrounded by externally by a path which is $2 m$ wide. Find the area of the path. Also, calculate the cost of levelling the path at $₹2.5 {\text{per m}}^2$

Use the figure showing the layout of a farmhouse.

What is the area of land used to grow hay?