For every question, four probable answers as (A), (B), (C) and (D) are given. Only one out of these is correct. Choose the correct answer.
One-fourth of birds of a flock are at a river bank and one - fifth of that flock are in their nest. Remaining 22 birds are wandering in search of food. What is the number of birds which are in their nest ?

Options

A. 40
B. 18
C. 10
D. 8

Answer

D