A horse is tied at the corner of a rectangular field whose length is 20 m and width is 16 m, with a rope… · ABC26GN4619
Subject: General Aptitude · Chapter: Area · Exam: R.R.B. 2006
A horse is tied at the corner of a rectangular field whose length is 20 m and width is 16 m, with a rope whose length is 14 m . Find the area which the horse can graze:
(a)144 sq. m
(b)154 sq. m
(c)156 sq. m
(d)164 sq. m
Answer
Answer (as printed): B
Explanation
Required area = Area of the quadrant with radius 14 m $$=\left(\frac{22}{7} \times 14 \times 14 \times \frac{90}{360}\right) \mathrm{m}^{2}=154 \mathrm{m}^{2} .$$