Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What do you get if you add 2 to 100 four times?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

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

What is it?

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 ?

Can you name some countries which do not have the alphabet 'A' in them?

Take one out and scratch my head, I am now black but once was red. What am I?

What is so fragile that saying its name breaks it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?