Rearrange the letters in "new door" to make one word.

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you make four (4) nines (9) equal 100?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

Can you find the company name in the pictogram below?

I always drive my customer away.

Who am I?

What has hands, but can’t clap?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

What is the centre of gravity?