You can use my knife to cut it _____?
You can use my knife to cut it _____?
Explanation
"With" is the correct preposition when referring to the tool used to perform an action (cut with a knife).
Cut with a knife means چاقو سے کاٹ
"With" is the correct preposition when referring to the tool used to perform an action (cut with a knife).
Cut with a knife means چاقو سے کاٹ