What month of the year has 28 days?

What is the fastest way to double your money?

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?

The dirtier I get, the whiter I look. Who am I?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you count the number of triangles in the picture below?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am lying and I always lie. Tell me whether I am lying or telling the truth.