Can you place three balls such that the equation shown in the picture holds true?

I cannot talk, but I always reply when spoken to. What am I?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What English word has three consecutive double letters?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What's the only room from which no one can enter or leave

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

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 ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?