I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

How many triangles are there on the puzzle below?

What does this say?

XLR8

Give it food and it will live; give it water and it will die.

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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 demands an answer, but asks no questions

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.