Spot 5 differences in two Christmas tree below:

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Prove that twice of ten is the same as twice of eleven.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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.

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How can you leave a room with two legs and return with six legs?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Find out the missing number in the picture attached: