Brainteaser for July 4, 2012

Brainteaser for July 4, 2012 Question: Lynsey is a biology student. Her project for this term is measuring the effect of an increase in vitamin C in the diet of twenty-five laboratory mice. Each mouse will have a different diet supplement between 50 units. Fractions of a unit are not possible. Although the university pays for the mice's food, Lynsey has to buy the vitamin C supplement herself. The first consideration in designing this experiment was therefore to minimize the total number of supplements. The second consideration was that no mouse should have an exact multiple of another mouse's supplement. Thus, if one mouse was on a supplement then this would preclude supplements of 1, 2, 7, 28, and 42 units. What supplements should Lynsey use? 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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