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 ?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Take away the whole and some still remain. What is it?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Solve the mathematical equation in the picture below.

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?