In how many minutes?
You have accidentally left out the plug and are attempting to fill the bath with both 2 taps full on. The hot tap takes 6 minutes to fill the bath, the cold tap takes 4 minutes, and the water empties through the plug hole in 12 minutes. In how many minutes will the bath be filled?
Click here for the solution
3 minutes. This is solved by 1/6 + 1/4 – 1/12 = 0.166 + 0.25 – 0.083 = 0.333 1/0.333 = 3 minutes
A man is trapped in a room. The room has only two possible exits: two doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing...
Five men checked into a hotel with a bag of peanuts and a monkey. They planned on dividing the peanuts evenly the following morning. However, during the night, one of the men got up, divided the peanuts into five equal parts, took his fifth and had one leftover peanut...