How can one talk without saying a single word?

Can you find the key in the picture below?

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 are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

Can you find the 09 errors in the picture below?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Find the smallest sentence with all the English alphabet.

How many letters are in the alphabet?

What came first, the chicken or the egg?