Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What does this simple rebus mean?

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

I am sure no one can have two things for dinner. what are they?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?