In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.
In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.
An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is:
A circle has its centre at O . A tangent drawn from a point P , which is situated outside the circle, touches the circle at A. If PA = 4 cm & PO=5 cm, then the length of the radius of the circle is
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