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A typist uses a paper by length wise and leaves a margin of at the top and the bottom and a margin of on either side. What fractional part of the paper is available to him for typing?
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Important Questions on Area of Plane Figures
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A rectangular room can be partitioned into two equal square rooms by a partition metre long. What is the area of the rectangular room (in square metre)?
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A man walking at the speed of crosses a square field diagonally in minutes. The area of the field is:
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The area of a rectangular field is . If its length is increased by metre, its area increases by . The length of the field is:
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The length and breadth of a rectangular hall are metre and metre respectively. The distance between the two opposite corners of the hall is:
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The difference between the length and breadth of a rectangle is metre. If the perimeter of the rectangle is metre, then the area is:
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If the area of a circle is A sq. metre, radius of the circle is r metre, and circumference of it is C metre, then:
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The radius of the wheel of a bus is and the speed of the bus is , then the r.p.m. (revolutions per minute) of the wheel is:
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Two squares A and B have each side as and metre respectively. Find the side of another square C whose area is equal to the sum of area of A and B:
