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?

What begins with T, ends with T, and has T in it?

Can you replace the question mark with the correct number?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

I have no life, but I can die. What am I?

I am quite hot but become too cold if you remove the first two letters. What am I?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

If a wheel has 54 spokes, how many spaces are there between the spokes?

What makes this number unique: 8,549,176,320?