Subject: General Aptitude · Chapter: Area · Exam: 2007 · Marks: · Difficulty:
The area of the largest circle, that can be drawn inside a rectangle with sides 18 cm by 14 cm, is
(a)$49 \mathrm{cm}^{2}$
(b)$154 \mathrm{cm}^{2}$
(c)$378 \mathrm{cm}^{2}$
(d)$1078 \mathrm{cm}^{2}$
Answer
Answer (as printed): B
Explanation
Radius of the requird circle $=\left(\frac{1}{2} \times 30\right) \mathrm{cm}=15 \mathrm{cm}$. $$\text { Area of the circle }=\left(\frac{22}{7} \times 7 \times 7\right) \mathrm{cm}^{2}=154 \mathrm{cm}^{2} \text {. }$$