Mock PCF '24 - P1 | Math Contest Repository

Mock PCF '24 - P1

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Difficulty: 5

This problem is tagged with pcf, mockpcf, mockpcf24.

If $\frac{1}{a} + \frac{1}{b} = \frac{2}{5}$ and $a + b = 10$, what is the value of $a \times b$?

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