What is wrong in the below Picture?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

If you say my name, I will no longer exist. What am I?

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?

You need to arrange three 7 and mathematical symbols to form number 1?

What word is pronounced the same if you take away four of its five letters?

What is the fastest way to double your money?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which flower has two lips?

What does below chemistry rebus means?