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?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

There is something which you can be arrested for attempting but not for successfully completing.

Spot the cat in the picture below

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

Which Travels Faster? Solve below famous picture riddle:

What you cannot hold but it is yours?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What has many teeth, but cannot bite?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?