Solve The below Equation:

ALFA + BETA + GAMA = DELTA

what does this picture(rebus) riddle means ?

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?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Through your logical capabilities, can you make 7 an even?

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?