RPH Editorial Board Solutions for Chapter: Area and Perimeter, Exercise 1: MULTIPLE CHOICE QUESTIONS

If the circumference of a circle is $352 \mathrm{m}$, then its area in ${\mathrm{m}}^2$ is:

A wheel makes $100$ revolutions in covering a distance of $88 \mathrm{km}$. What is the diameter of the wheel?

If the diameter of the circle is increased by $100\%$, its area is increased by:

The area of a sector of a circle of radius $5 \mathrm{cm}$ formed by an arc of length $3.5 \mathrm{cm}$ is:

A circular wire of radius $42 \mathrm{cm}$ is cut and bent into the form of a rectangle whose sides are in the ratio of $6 : 5$. What is the smaller side of the rectangle?

The length of a minute hand on a wall clock is $7 \mathrm{cm}$. The area swept by the minute hand in $30$ minutes is:

If a circle and a square have the same area, then what is the ratio of the side of the square and the radius of the circle?

The dimensions of the floor of a rectangle hall are $4 \mathrm{m}\times 3 \mathrm{m}$. The floor of the hall is to be tiled fully with $8 \mathrm{cm}\times 6 \mathrm{cm}$ rectangular tiles without breaking tiles into smaller sizes. What is the number of tiles required?