The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in… · ABC26GN4546
Subject: General Aptitude · Chapter: Area · Exam: Bank P.O. 2006
The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in units) of the circle?
(a)88
(b)132
(c)616
(d)Cannot be determined
(e)None of these
Answer
Explanation
$\pi R^{2}=7 \times(2 \pi R) \Rightarrow R=14$. $$\text { ∴ } \text { Circumference }=\left(2 \times \frac{22}{7} \times 14\right) \text { units }=88 \text { units. }$$
Explanation as extracted from the printed page; notation may be imperfect.
· Browse this chapter in the app