The minimum height of a plane mirror to see the full image of a person is equal to-; 1) the height of the person; 2) half the height of the person; 3) one-fourth the height of the person; 4) double the height of the person
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cow is tied to a pole at the centre of a grazing plot .when the Rope is taut (tight), the cow can describe the circle of circumference 132 m.calculate the length of the Rope and the area of the land on which it can
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Answer:
B
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