Using Only Five 5's and any mathematical operator make sum as 37

The more it dries, the wetter it becomes. Can you tell what it is?

How many triangles are there on the puzzle below?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

John was drowned by he was not wet. How?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?