Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Do You See It?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Can you move 2 matchsticks to form four equal sized squares.

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Why is the Hole below a Lock?

Decode below three cipher riddles:

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

what's the probability of getting a king or a queen from a pack of 52 cards?