2, 3, 5, 9, 17, _ What is the next number in the sequence?
Two grandmothers, with their two granddaughters; Two husbands, with their two wives; Two fathers, with their two daughters; Two mothers, with their two sons; Two maidens, with their two mothers; Two sisters, with their two brothers; Yet only six in all lie buried here; All born legitimate, from incest clear
A prisoner is told "If you tell a lie we will hang you; if you tell the truth we will shoot you." What can he say to save himself?
A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers.
A girl went over to the U.S. on the 4th of Julyand partied for 3 days and came back on the 4th of July .
The following numbers share a unique property: 1961 6088 6119 8118 6699 6009. What is it?
In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
Five hundred begins it, five hundred ends it, Five in the middle is seen; First of all figures, the first of all letters, Take up their stations between. Join all together, and then you will bring Before you the name of an eminent king. Who am I?
If you toss a die and it comes up with the number one 9 times in a row, what is the probability that it will come up with one on the next throw?
How is it possible to always find what your looking for in the last place you look?
You are right next to a river and have a 5 gallon container and a 3 gallon container. You need to measure out 4 gallons of water.
A large truck is crossing a bridge 1 mile long. The bridge can only hold 14000 lbs, which is the exact weight of the truck. The truck makes it half way across the bridge and stops. A bird lands on the truck. Does the bridge collapse? Give a reason.