What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

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

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

John was drowned by he was not wet. How?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

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 ?