I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?
In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special. This date is special as: Date * Month = Year. Can you figure out which year of this century has a maximum number of such dates?
I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?
I have an eye but still cannot see. Who am I?
There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?
If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?
John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?" While Bella does not know the answer, do you ?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Rearrange the letters in "new door" to make one word.
Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one? 5 $ 4 $ 3 $ 9 = 4215 6 $ 9 $ 2 $ 6 = 3816 4 $ 7 $ 3 $ 3 = 1122 7 $ 2 $ 7 $ 4 = ____
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.