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

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

The more of this there is, the less you see. What is it?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Find the next number in the sequence

5 12 24 36 ?

It is always ahead of me yet I can never see it. What is it?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

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

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

If you say my name, I will no longer exist. What am I?