R.K. Singh Solutions for Chapter: Mensuration & Area, Exercise 2: Previous Years Questions

After painting each surfaces of a cube whose side is $6 \mathrm{cm}$ long is cut into cubes with unit edges, number of cubes whose none of the surfaces is painted is?

The height of a circular cylinder is increased by $6$ times and its base is decreased by $\frac{1}{9}$ of its value. Thus fractional increment in its lateral surface area is?

The volume of a cone is$1232{ \mathrm{cm}}^3$ and its altitude is $24 \mathrm{cm}$ long. The curved surface area is?

The perimeters of a circle and a rectangle are equal If the sides of the rectangle are $18 \mathrm{cm}$ and $26 \mathrm{cm}$com long, the area of the circle is?

$\left[Take \right.\left.\pi =\frac{22}{7}\right]$ 

By increasing the radius of a circle by $1 \mathrm{cm}$, its area increases by $22{ \mathrm{cm}}^2$. The original radius of the circle is?

The height of a right prism whose base is a square is $15 \mathrm{cm}$. Total surface area of the prism is $608{ \mathrm{cm}}^2$. The volume of the prism is?

If the diagonals of rhombus are $8$ and $6$ unit, the square of its side is?

What will be the area of the largest square inscribed in a circle whose radius is $8 \mathrm{cm}$ long?