How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Replace the question mark with the correct number.

The answer I give is yes, but what I mean is no. What was the question?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

How many times can you subtract the number 5 from 25?

When can we add 2 to 11 and get 1 as the correct answer?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

2, 3, 5, 9, 17, _ What is the next number in the sequence?