GRE Question of the Day (October 18)

By - Oct 18, 02:00 AM Comments [0]

Math

If c is randomly chosen from the integers 20 to 99, inclusive, what is the probability that c^3 – c is divisible by 12?

enter your value as a fraction

 

Correct Answer - 3/4  - (click and drag your mouse to see the answer)

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