If a wheel has 54 spokes, how many spaces are there between the spokes?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Identify the hidden meaning behind this picture?