A question is given followed by information in three statements. You have to find out the data in which statement(s) is sufficient to answer the question and mark your answer accordingly. The speed of the stream is 3 km/hr. Find the speed of the boat in still water. I) The boat covered 20 km in 5 hours in upstream. II) The boat covered 20 km in 2 hours in downstream.

A question is given followed by information in three statements. You have to find out the data in which statement(s) is sufficient to answer the question and mark your answer accordingly.

The speed of the stream is 3 km/hr. Find the speed of the boat in still water.

I) The boat covered 20 km in 5 hours in upstream.

II) The boat covered 20 km in 2 hours in downstream.

1). Only II is sufficient
2). Either I or II is sufficient 
3). Both I & II are sufficient
4). None is sufficient

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