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 count the number of squares in the figure below?

Why is a river so rich ?

Remove two matchsticks to make the below equation correct.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is the next number in this series?

4,12,84,3612....

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What can you deduce from the following BrainBat?

CRY
LMKI