Last Problem:
A bus runs at 100 miles per hour at its top speed. It can carry a maximum of 6 persons. If the speed of the bus decreases in a fixed proportion with an increase in number of persons, determine the speed of the bus when the bus has three passengers.
Answer:
100 miles per hour because that is the top speed of the bus.
Ha! Did we trick you on this one? It is actually not a math problem at all!
Today’s Problem:
A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened.
A club member knocked on the door and the doorman said, “twelve.” The member replied, “six” and was let in. A second member came to the door and the doorman said, “six.” The member replied, “three” and was let in.
The man thought he had heard enough and walked up to the door. The doorman said, “ten” and the man replied, “five”. but he was not let in. What should have he said?