The correct answer is (c). The weight of a body is minimum at the poles and maximum at the equator.
The weight of a body is the force of gravity acting on it. The force of gravity is inversely proportional to the square of the distance between the two objects. This means that the closer an object is to the Earth, the stronger the force of gravity and the more it weighs.
The Earth is not a perfect sphere. It is slightly wider at the equator than it is from pole to pole. This is because the Earth is spinning. The spinning of the Earth causes the equator to bulge out.
The bulge at the equator means that the distance between the Earth’s surface and the center of the Earth is greater at the equator than it is from pole to pole. This means that the force of gravity is weaker at the equator than it is from pole to pole.
Therefore, the weight of a body is minimum at the poles and maximum at the equator.