Can you write down eight eights so that they add up to one thousand?

What's the next in the series?

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

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

You need to move three matchsticks to form three squares. Can you do it?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

What's a single-digit number with no value?

A sundial has the fewest moving parts of any timepiece. Which has the most?