In the question , some parts of the sentences have errors and some have none. Find out which part of a sentence has an error .The number of that part is the answer. If there is no error, then your answer is (4) i.e. No error.
He was (1)/not in a position to state(2)/the speed of ship travelled. (3)/No error(4)

Answer

3

Explanation

Here, the speed the ship sailed/travelled at .......should be used.