I have branches, but no fruit, trunk or leaves. What am I?

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?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.