What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

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?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

What is common among 11, 69, and 88?

How can a man go eight days without sleep?

Find the last number in the series below:

voN luJ yaM raM ---

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

How many letters are in the alphabet?