Brainteaser for January 4, 2012

Brainteaser for January 4, 2012 Question: Connections: Below are three sets of numbers. In the third set the number to the left of the colon is missing. Using the first 2 sets as examples you must determine how the left side number was derived from the 3 numbers to the right. 4:6 11 7 3:8 4 12 ?:10 55 15 Click here to check your answer. Find more Brain Teasers, Puzzles and Games to challenge the mind at The Brainteasers Network

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