There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

When 99 is considered higher than 100?

Replace the question mark in the picture below.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

What has to be broken before you can use it?

What is the last thing you take off before bed?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

If Rajina's daughter is my daughter's mom, who am I to Rajina?