A person swims at 135^(@) to current of river, to meet target on reaching opposite point. The ratio of person.s velocity to river water velocity is

A person swims at 135^(@) to current of river, to meet target on reach

1.	A person swims at 135^(@) to current of river, to meet target on reaching opposite point. The ratio of person.s velocity to river water velocity is
Answer» `sqrt(3) :1` `sqrt(2) :1` `1:sqrt(2)` `1:sqrt(3)` Answer :B