Sainik School Entrance Exam 2021 Solved Paper

(b) The correct conjunction to be used in the blank should be 'whether'.
'Whether' is used to express a doubt or choice between two possibilities
- I'll see whether she's at home (= or not at home). It is also used to show that something is true in either of two cases
- You are entitled to a free gift whether you accept our offer of insurance or not.