Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

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?

What jumps when it walks and sits when it stands?

Can you find the mistake in the below statement?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I have eight fingers and two thumbs but I do not live. What Am I?

Can you replace the question mark with the correct number?

What part of the chicken has the most feathers?

What goes through cities and fields, but never moves?

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

When did John make this statement?