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: Option B

Solution(By Examveda Team)

Required area = Area of the quadrant with radius 14 m :
$$\eqalign{ & = \left( {\frac{{22}}{7} \times 14 \times 14 \times \frac{{90}}{{360}}} \right){m^2} \cr & = 154\,{m^2} \cr} $$