Our product and our sum always give the same answer. Who are we?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

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?

I am white when I am dirty, and black when I am clean. What am I?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

Which is the rope you never skip with?

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

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?