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The length of a rectangular hall is of its breadth. If the area of the hall is , the difference between the length and breadth of hall is:
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Important Questions on Area of Plane Figures
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If the ratio of areas of two squares is , the ratio of their perimeter is
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The sides of triangular field are and metre. The area of the triangle is:
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The area of the sector of a circle, whose radius is metre when the angle at the centre is , is:
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One side of a parallelogram is . The perpendicular distance between this and the opposite side is . The area is:
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The radius of a sphere is increased . The increase in the surface area of sphere is:
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The area of a rectangular field is . If the length is increased by metre, its area increases by . The length of the field is:
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The diagonal of a square field is metre. Its area is:
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The area of a square field is dquare metre. How long will it take for a man to run around at the speed of ?
