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 :$$\eqalign{ & = \left( {\frac{{22}}{7} \times 14 \times 14 \times \frac{{90}}{{360}}} \right){m^2} \cr & = 154\,{m^2} \cr} $$
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The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
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