How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

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

What Word am I Looking For ?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What building has the most stories?

Do You See It?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------