Mensuration Ques 16
Question
The area of circle is seven times the numerical value of its circumference. What is the circumference of the circle?
(1) 616 units
(2) 132 units
(3) 88 units
(4) Cannot be determined
(5) None of these
(IBPS Specialist Officer CWE 17.03.2013)
Show Answer
Correct Answer: (3)
Solution: (3)
$\pi R^{2}=7 \times 2 \pi R$
$\Rightarrow R=14$
$\therefore$ Circumference of circle $=2 \pi R=2 \times \frac{22}{7} \times 14=88$ units
BETA
