Why do we preferably have round manhole covers and not square ones?

What does an Island and the letter T have in common?

What word is represented by this rebus?

What have one eye but still cannot see?

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?

People make me, save me, change me, raise me. What am I?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

O_er_t_o_

Complete the missing letters of the given word.

Move four matchsticks to the below square to form three squares?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?