There are 5 concentric circles that are spaced equally from each other by 1.25 cms. The innermost circle has a square of side ?(32) cm inscribed in it. If a square needs to be inscribed in the outermost circle, what will be its area?
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A spherical rubber ball of radius 14 cm is cut by a knife at a distance of “x” cm from its centre, into 2 different pieces. What should be the value of “x” such that the cumulative surface area of the newly formed pieces is 3/28 more than the rubber ball’s original surface area?
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What is the area of the shaded figure?
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What is the ratio of the area of Circle M and the area of Circle K?
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A room has floor size of 15*6sq.cm. What is the height of the room , if the sum of the areas of the base and roof is equal to the sum of the areas of the four walls ?
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