In the following question, some parts of the sentences have errors and some are correct . Find out which part of a sentence has an error. If a sentence is free error, your answer is (d).
`("The Vice-Chancellar")/a` `("wants all vacancies")/b` `("to be filled up.")/c` `("No error")/d`

Answer

3

Explanation

filled will replace filled up because - fill (something) : to appoint somebody to a job fill up (something) : to become full of something, to make something full of something
Look at the examples given below:
The ditches were ruled up with mud.
The vacancy has already been ruled. Hence, to be filled is the right usage.