Question

A boat travels in a stream from A to B
and then from B to A. What is the speed
of the boat in still water?
Statements:
I. The speed of the boat in still water is 2
km/hour more than the speed of the
current.
II. The speed of the current is 1 km/hour
more than the speed of the boat.
III. Boat covers the distance of y
kilometers between A and B
downstream and upstream in x hours.
All of I, II and III are required.
O All of I
O
( ) O
Both II and III are required.
I and III taken together are sufficient.
Either I and II together or II and III
together are sufficient.​

Answer 1

you are in 10th standard