Posted by: ratobhaley December 19, 2007
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1. When the time is 3:15, what is the angle between the hour and minute hand?
2. There are 10 machines producing gold coins. One of the machine is producing coins that are one gram light. If you can only weigh once, how can you tell which machine is making defective coins?
2. There are 10 machines producing gold coins. One of the machine is producing coins that are one gram light. If you can only weigh once, how can you tell which machine is making defective coins?