What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Count the number of balls in picture below:

I am sure no one can have two things for dinner. what are they?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

The answer I give is yes, but what I mean is no. What was the question?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

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 was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?