On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What number when divided in half becomes zero?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

What goes up but never comes down?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?