RPH Editorial Board Solutions for Exercise 1: MULTIPLE CHOICE QUESTIONS

The circumference of a circle is $352 m$, then its area in metre square is:

A wheel makes $100$ revolutions in covering a distance of $88 km$. The diameter of the wheel is:

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

The area of a sector of a circle of radius $5 cm$ formed by an arc of length $3.5 cm$, is:

A circular wire of radius $42 cm$ is cut and bent in the form of a rectangle whose sides are in the ratio $6 : 5$. The smaller side of the rectangle is:

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

A circle and a square have same area. What is the ratio of the side of the square and the radius of the circle?

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