What is the coolest letter in the alphabet?

What is the largest number you can write with just 3 digits?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Count the number of triangles in the below picture?