What is the area (in $cm^2$) of a rectan

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

What is the area (in $cm^2$) of a rectangle having perimeter 48 cm and breadth 10 cm ?

Options:

140

480

240

440

Correct Answer:

140

Explanation:

Perimeter of a rectangle = 2(length + breadth)

⇒ 48 = 2(length + 10)

⇒ 24 = length + 10

⇒ Length = 24 - 10 = 14 cm

Area of rectangle = length × breadth = 14 × 10 = 140 cm²