A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Which is heavier: a ton of bricks or a ton of feathers?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Find the value of "?" in the ball picture Riddle below: