A father and son are in a car accident. The father dies instantly, and the son is taken to the nearest hospital. The doctor comes in and exlaims "I can't operate on this boy."
"Why not?" the nurse asks.
"Because he's my son," the doctor responds.
How is this possible?
Note: The boy does't have two fathers
There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb?
If you had an infinite supply of water and a 5 quart and 3 quart pail, how would you measure exactly 4 quarts?
There are 4 women who want to cross a bridge. They all begin on the same side. You have 17 minutes to get all of them across to the other side. It is night. There is one flashlight. A maximum of two people can cross at one time. Any party who crosses, either 1 or 2 people, must have the flashlight with them. The flashlight must be walked back and forth, it cannot be thrown, etc. Each woman walks at a different speed. A pair must walk together at the rate of the slower woman's pace.
Woman 1: 1 minute to cross
Woman 2: 2 minutes to cross
Woman 3: 5 minutes to cross
Woman 4: 10 minutes to cross
For example if Woman 1 and Woman 4 walk across first, 10 minutes have elapsed when they get to the other side of the bridge. If Woman 4 then returns with the flashlight, a total of 20 minutes have passed and you have failed the mission. What is the order required to get all women across in 17 minutes? Now, what's the other way?
Two MIT math graduates bump into each other. They hadn?t seen each other in over 20 years.
The first grad says to the second: ?how have you been??
Second: ?Great! I got married and I have three daughters now?
First: ?Really? how old are they??
Second: ?Well, the product of their ages is 72, and the sum of their ages is the same as the number on that building over there..?
First: ?Right, ok.. oh wait.. I still don?t know?
second: ?Oh sorry, the oldest one just started to play the piano?
First: ?Wonderful! my oldest is the same age!?
Problem: How old are the daughters?
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