A rectangular plot measuring 60 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart. How many poles will be needed?
Choose the most appropriate option.
A) 44 m  B) 66 m  C) 26 m  D) 56 m  E) 25 m

Rationale: perimeter of the plot = 2 ( 60 + 50 ) = 220 m no of poles = 220 / 5 = 44 m answer : a
Answer: A