What number should come in place of the question mark below?
I am a three digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?
It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive, What is it?
Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship? ? : 3839 :: 11 : 1209
A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
It's a protector. It sits on a bridge. One individual can see directly through it, while others wonder what it hides. What is it?
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 word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.