Replace the question mark with the number below given a simple math problem.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Can you name four days which start with the letter 'T'?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

What kind of storm is always in a rush?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

I am the fastest animal but cannot climb the tree. What am I?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?