How can a man go eight days without sleep?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Which city is three-fifths chick two third cat and 50% goat?

What does it mean?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Do you know who was buried in John's tomb?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?