If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

What does the below rebus puzzle mean?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What word is represented by this rebus?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What kind of band never plays music?

What does Alexander the Great and Winnie the Pooh have in common?

Find the missing number in the sequence.

3 5/3 7/5 11/7 ? 17/11

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?