The area of a circle is numerically equa

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

The area of a circle is numerically equal to its circumference. Find the diameter of the circle.

Options:

2 unit

4 unit

1 unit

5 unit

Correct Answer:

4 unit

Explanation:

Area of a circle = πr²

Circumference of a circle = 2πr

According to the question,

πr² = 2πr

r = 2

Diameter = 2 × 2 = 4