A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Find the last number in the series below:

voN luJ yaM raM ---

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you solve the below tricky visual equation?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

What is the Surname of Barbie Doll?