The area (in sq. units) of the region enclosed by the ellipse $16x^2 + 25y^2 = 400$ is

The area of the region bounded by the curves $y = x^2 + 2$, $y = x$, $x = 0$ and $x = 2$ is

The area enclosed by the ellipse $\frac{x^2}{16} + \frac{y^2}{9} = 1$ is given by :

The area of the region bounded by parabola $x^2 = 4y$, straight line $x = 2$ and $x$-axis, is

The region bounded by curve $y = x|x|$, x-axis and lines $x = \pm 1$ is best represented graphically by :

The area (in sq. units) of the region bounded by the curve $x=at^2$, $y=2at$ between the ordinates corresponding to t = 1 and t = 2 is

Area of the region bounded by $y = x^2$ and the line $y = 16$ is