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?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

what's the probability of getting a king or a queen from a pack of 52 cards?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

I am the fastest animal but cannot climb the tree. What am I?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?