Can you find out which number multiplied by itself will give the output as 12345678987654321?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

Make a sentence consisting of three words that have the whole alphabet.

Why are all black people so quick ?

What is the Surname of Barbie Doll?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Prove that twice of ten is the same as twice of eleven.