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SAT Question of the Day Explained – July 30 2015 – Math, Number Concepts, Factors, Divisibility

Today’s SAT question of the day: All numbers divisible by both 4 and 15 are also divisible by which of the following?

Divisibility…what does it mean?  Just that a number can be divided evenly (no remainder) by another number.  For instance, 10 is evenly divisible by 5, but not by 7.  Got it?

Good.  Let’s tackle today’s divisibility questions.

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