Question: If you had an infinite supply of water and a 5 quart and 3 quart pails, how would you measure exactly 4 quarts? and What is the least number of steps you need? Answer: Lets count the steps as we move along Fill 5 quart pail with water Transfer 3 [...]
Question: How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started? Answer: If we consider the southern hemisphere, there is a ring near the South Pole that has a [...]
Question: You have 10 boxes of balls (each ball weighing exactly 10 gm) with one box with defective balls (each one of the defective balls weigh 9 gm). You are given an electronic weighing machine and only one chance at it. How will find out which box has the defective [...]
Question :A bird fly 200km/hr.Two trains coming oppositely one 100km/hr, other 50km/hr. Total distance between the trains starting point is 450km. So the bird is flying to and fro in the train line. The bird continues to do this until the trains collide. How far would the bird have traveled [...]
Question: You’ve got someone working for you for seven days and a gold bar to pay them. You must pay the worker for their work at the end of every day. If you are only allowed to make two breaks in the gold bar, how do you pay your worker? [...]
Question : Three ants are sitting at the three corners of an equilateral triangle. Each ant randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide? Answer : Ants will never collide between any of the [...]
Question : There are 100 prisoners in solitary cells. There's a central living room with one light bulb; this bulb is initially off. No prisoner can see the light bulb from his or her own cell. Everyday, the warden picks a prisoner equally at random, and that prisoner visits the [...]
Question: A certain town comprises of 100 married couples. Everyone in the town lives by the following rule: If a husband cheats on his wife, the husband is executed as soon as his wife finds out about him. All the women in the town only gossip about the husbands of other [...]
How many times a day do the minute and hour hands of a clock overlap? In T hours, the minute hand completes T laps. In the same amount of time, the hour hand completes T/12 laps. The first time the minute and hour hands overlap, the minute hand would have [...]