Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

What will you call your mother's brother's brother-in-law?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you divide the below-given shape into four equal and identical pieces?

I can be cracked, made, told, and played. What am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What has a ring but no finger?

What kind of band never plays music?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?