Friday Riddle Answer

nudgie Member Posts: 1,478 Member
edited March 2014 in Colorectal Cancer #1
RIDDLE: A firefighter stood on the middle rung of a ladder, spraying water on a burning house. He then climbed up 6 rungs before the heat of the flames caused him to come down 10 rungs. After some minutes he was able to climb 18 rungs to the very top of the ladder. How many rungs did the ladder have?

ANSWER: 29 rungs. The firefighter is standing on the middle rung. He goes up 6 rungs so he is now at M+6. He now goes down 10 rungs so he is now at M-4. He goes up 18 rungs so he is now at M+14=T. 14 rungs from the top, 14 rungs from the bottom and the middle rung. 14 + 14 + 1 = 29