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- Subject
- Mensurationmathematics-mcqs › mensuration
- Published
- 10 Jul 2019
- Last updated
- 28 May 2026
Explanation
The square's area is 1225 square units, so its side length is √1225 = 35 units. The circle's radius equals this side length, which is 35 units. The rectangle's length is two-fifths of the radius: (2/5) × 35 = 14 units. Given the breadth is 10 units, the rectangle's area is length × breadth = 14 × 10 = 140 square units.
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.Calculate the area of a rhombus with each side measuring 25 cm and one diagonal equal to 30 cm.
- 4.If the volumes of two cubes are in the ratio 729 to 1331, what is the ratio of their total surface areas?
- 5.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?
- 6.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?
- 7.A wheel has a radius of 22.4 cm. How far will the wheel travel after completing 500 full rotations?
- 8.A room measures 25 feet in length, 15 feet in width, and 12 feet in height. If the cost to whitewash the four walls is Rs. 5 per square foot, what will be the total expense given that the room has one door measuring 6 feet by 3 feet and three windows each measuring 4 feet by 3 feet?
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