Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
A cow is tethered in the middle of a field with a 14 feet long rope. If the cow grazes 100 sq. ft. per day, then approximately what time will be taken by the cow to graze the whole field?
(a)2 days
(b)6 days
(c)18 days
(d)24 days
(e)None of these
Answer
Answer (as printed): B
Explanation
Area of the field grazed $=\left(\frac{22}{7} \times 14 \times 14\right)$ sq. $\mathrm{ft}=616$ sq. ft . Number of days taken to graze the field $$=\frac{616}{100} \text { days }=6 \text { days (approx.). }$$
Explanation as extracted from the printed page; notation may be imperfect.