Arihant Expert Team Solutions for Exercise 1: Practice Questions

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

The area of the shaded region which is shown in the given figure is:

The square field with side $30 \mathrm{m}$ is surrounded by a path of uniform width. If the area of the path is $256 \mathrm{sq}. \mathrm{m}$, the width of the path is:

An equilateral triangle of the side $6 \mathrm{cm}$ has its corners cut off to form a regular hexagon. The area of this hexagon is:

The area of the four walls of a room is $128 \mathrm{sq}. \mathrm{m}$. The length is equal to the width and the height is $4 \mathrm{m}$. The area of the floor of the room is:

If the radius of a circle is tripled, its perimeter will become how many times of its previous perimeter?

A room is half as broad as it is high and $1\frac{1}{2}$ times as high as it is long. If the cost of carpeting the floor at $₹3 \mathrm{per} \mathrm{sq}. \mathrm{m}$ is $₹144$, the height (in $\mathrm{m}$) of the room is:

A rectangular plot $90 \mathrm{m}\times 50 \mathrm{m}$ has two $10 \mathrm{m}$ wide roads running in the middle of it, one parallel to the length and the other parallel to the breadth. The area of the plot used in the roads is: