If the side of a square is increased by $50 \%$,the percent increase in its area is: (in $\%$)

Given that the volume of a metal sphere is $38808 \, cm^{3}$. Then,its radius and its surface area are?

If a square is inscribed in a circle,the ratio of the area of the circle and the square is

The length of a rectangular hall is $\frac{4}{3}$ of its width. If the area of the hall is $300 \, m^2$,what is the difference between the length and the breadth? (in $m$)

$A$ square field with side $30\, m$ is surrounded by a path of uniform width. If the area of the path is $256\, m^2$,then its width is ........ $m$.

In an equilateral triangle of side $24 \ cm$,a circle is inscribed touching its sides. The area of the remaining portion of the triangle is (in $cm^2$) $(\sqrt{3} = 1.732)$