What is the longest word in the dictionary?

Can you identify if it's a murder or a suicide ?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

what does this below rebus represent identXQQQQQME

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What month of the year has 28 days?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?