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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I have branches, but no fruit, trunk or leaves. What am I?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Can you find the dog hidden in a group of pandas?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?