ABC26GN4569 · Area

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

If the areas of a circle and a square are equal then the ratio of their perimeters is

(a)1 : 1

(b)$2: \pi$

(c)$\pi: 2$

(d)$\sqrt{\pi}: 2$

Answer

Answer (as printed): D

Explanation

Proceeding as in Q.279, we have: $$\text { Ratio of perimeters }=\frac{2 \pi \sqrt{\frac{x}{\pi}}}{4 \sqrt{x}}=\sqrt{\pi}: 2 .$$

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