You are alone in the house and there is danger of thieves around. Just then, you hear a knock at door. You would
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → first peep out from the window to confirm whether you know the person.
The sensible response keeps you safe and still lets you help a genuine visitor: find out who is at the door before opening it.
Option (1) open the door to see who is there. — Incorrect. Opening without knowing who is outside exposes you to the very danger you know of.
Option (2) first peep out from the window to confirm whether you know the person. — Correct. You see the caller without opening the door, and can then let in a known person or keep it shut.
Option (3) not open the door. — Incorrect. Safe, but it turns away every caller, even a relative or a neighbour in need, without finding out who it is.
Option (4) ask the servant to see who is there. — Incorrect. The question says you are alone in the house, so there is no servant to ask.