The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What has to be broken before you can use it?

Make a sentence consisting of three words that have the whole alphabet.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.