1. The perimeter of a rectangle is 82m and its area is 400 sq m. What is the breadth of rectangle? (1) 18 m (2) 16 m (3) 14 m (4) 12 m cds question papers solved 2. The area enclosed between the circumferences of two concentric circles is 16p sq cm and their radii are in the ratio 5:3. What is the area of the other circle? (1) 9 p sq cm (2) 16 p sq cm (3) 25 p sq cm (4) 36 p sq cm 3. The volume of a cube is numerically equal to sum of its edges. What is the total surface area in square units? (1) 12 (2) 36 (3) 72 (4) 144 4. Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, what is the distance between their tops? (1) 13 m (2) 17 m (3) 18 m (4) 23 m

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