A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

What do you think with the below Picture ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Give it food and it will live; give it water and it will die.

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What is the next number in this matchsticks series riddle?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?