Mensuration Ques 1
Question
What would be the cost of building a fence around a square plot with area 462.25 sq. ft. at the rate of ₹ 34 per feet?
(1) ₹ 2,924
(2) ₹ 2,682
(3) ₹ 2,846
(4) Cannot be determined
(5) None of these
(Indian Bank PO Exam. 02.01.2011)
Show Answer
Correct Answer: (1)
Solution: (1)
Side of the square plot $=\sqrt{\text { Area }}$ $=\sqrt{462.25}=21.5$ feet
$\therefore$ Perimeter $=4 \times$ Side $=4 \times 21.5=86$ feet
$\therefore$ Cost of building a fence $= \text{₹} (34 \times 86)= \text{₹} 2924$
BETA
