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- Subject
- Mensurationmathematics-mcqs › mensuration
- Published
- 10 Jul 2019
- Last updated
- 28 May 2026
Explanation
Let the side length of the square be 'a' cm, and the rectangle's length and width be 'l' cm and 'b' cm respectively. The perimeter of the square is 4a, and the perimeter of the rectangle is 2(l + b). Given that 4a = 2 × 2(l + b), we get 4a = 4(l + b), so a = l + b. The area of the rectangle is l × b = 480. Since we only know the product l × b and not the sum l + b, we cannot determine the exact value of 'a' or the area of the square (a²). Therefore, the area of the square cannot be determined with the given information.
More Mensuration MCQs
Practice related questions from the same subject.
- 1.A carpet was ordered with its length and width in the ratio 3:2. Later, the dimensions were changed so that the length and width were in the ratio 7:3, while the perimeter remained unchanged. What is the ratio of the areas of the carpet before and after the modification?
- 2.A circle has a radius of 21 cm and a central angle measuring 135°. What is the perimeter of the corresponding sector?
- 3.A rectangle's length is two-fifths of the radius of a circle. The radius of this circle is equal to the side length of a square whose area measures 1225 square units. If the rectangle's breadth is 10 units, what is its area in square units?
- 4.Calculate the area of a rhombus with each side measuring 25 cm and one diagonal equal to 30 cm.
- 5.If the volumes of two cubes are in the ratio 729 to 1331, what is the ratio of their total surface areas?
- 6.A metal sphere with a radius of 12 cm is melted and reshaped into a cylindrical wire having a cross-sectional radius of 16 cm. What is the length of this wire?
- 7.Two cones have their volumes in the ratio 1 to 10, while their radii are in the ratio 1 to 2. What is the ratio of their heights?
- 8.A wheel has a radius of 22.4 cm. How far will the wheel travel after completing 500 full rotations?
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