CAT Quant Practice Problems

Question: A man travels three-fifths of a distance AB at a speed 3a, and the remaining at a speed 2b. If he goes from B to A and return at a speed 5c in the same time, then

\(\frac{1}{a} + \frac{1}{b} = \frac{1}{c}\)
\(a + b = c\)
\(\frac{1}{a} + \frac{1}{b} = \frac{2}{c}\)
None of these
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CAT Quant Practice Problems
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