1. A grandfather clock chimes the appropriate number of times to indicate the hour, as well as chiming once at each quarter hour. If you were in another room and heard the clock chime just once, what would be the longest period of time you would have to wait in order to be certain of the correct time?
2. Gary began peeling a pile of 44 potatoes at the rate of 3 per minute. Four minutes later, Christen joined him, and peeled at the rate of 5 potatoes per minute. When they were finished, how many potatoes had each peeled?
Solution
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The Art Of Optical Illusions
from A Daily Brain Teaser http://ift.tt/1loyia2
3d wooden brain teasers from craftypuzzles.com
2. Gary began peeling a pile of 44 potatoes at the rate of 3 per minute. Four minutes later, Christen joined him, and peeled at the rate of 5 potatoes per minute. When they were finished, how many potatoes had each peeled?
Solution
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Art Of Optical Illusions
from A Daily Brain Teaser http://ift.tt/1loyia2
3d wooden brain teasers from craftypuzzles.com
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