I shave every day, but my beard stays the same. What am I?
What numbers should go on the bottom line? 3 6 9 15 8 2 10 12 11 8 19 27 19 10 29 39 ? ? ? ?
My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Can you circle exactly four of these numbers such that the total is twelve? 1 6 1 6 1 6 1 6 1 6 1 6
Why is a river so rich ?
I make two people out of one. What am I?
There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence. Do you know what word is that?
Things are just as they seem, right? Well, check again. Can you count the number of tigers in this picture ?
A pond had 60 fish, out of which, all but 20 died. How many fishes are now present in that pond?
The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.