Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

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.

Can you start the fire using two pieces of wood?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

In the four images below, can you find the odd one out?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Using eight eights and addition only, can you make 1000?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?