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Source: Official Guide Revised GRE 2nd Ed. Part 9; Section 6; #14

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For the following question, enter your answer

For the following question, enter your answer in the box. On a radio tower, a red light flashes every 6 seconds and a blue light flashes every 10 seconds. If both lights flash together at a certain time, how many seconds later will both lights flash together the next time?

1 Explanation

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Chris Lele

Dec 8, 2012 • Comment

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Official Guide Revised GRE 1st Ed.

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Section 6: Quantitative Reasoning

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