IBPS Clerk Prelims 2014 Paper

(a) Let width of the field = b m
∴ length = 2 b m
Now, area of rectangular field =2b×b=2b2
Area of square shaped pond = 8 × 8 = 64
According to the question,
64=

1

8

(2b2)⇒b2=64×4⇒b=16m
∴length of the field = 16 × 2 = 32 m