My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Move three sticks of the spiral below to form a square.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

What does this mathematical rebus means ?