Question : Which of the following is the most abundant metal on Earth's crust?

Question : Select the option that expresses the given sentence in active voice.

Most of Earth's surface is covered by water.

Question : The most abundant metal in the Earth's crust is

Question : Any natural mass of mineral matter that makes up the earth's crust is:

Question : From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are $30^{\circ}$ and $45^{\circ}$, respectively. If the bridge is at a height of 2.5 m from the banks, then the width of the river is: Take ($\sqrt{3}$ = 1.732).