ABC26GN4545 · Area

Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:

If the circumference and the area of a circle are numerically equal, then the diameter is equal to

(a)$\frac{\pi}{2}$

(b)$2 \pi$

(c)2

(d)4

Answer

Answer (as printed): D

Explanation

$2 \pi R=\pi R^{2} \Leftrightarrow R=2 \Leftrightarrow 2 R=4$. Hence, diameter $=4$.

Explanation as extracted from the printed page; notation may be imperfect.