Given that |x| = 2/5 and |y| = 3/5, which of the following values CANNOT be the sum of x and y?

Correct answer marked below

-1

-1/5

1/5

2/5

Correct

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Explanation

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Official Explanation

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|x| = \frac{2}{5} \implies x = \frac{2}{5} \text{ or } x = -\frac{2}{5}

|y| = \frac{3}{5} \implies y = \frac{3}{5} \text{ or } y = -\frac{3}{5}

x + y = \frac{2}{5} + \frac{3}{5} = 1

x + y = \frac{2}{5} - \frac{3}{5} = -\frac{1}{5}

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Comments

TiborJan 2, 2025

thanks for posting

AndreaOct 31, 2024

Great

krishnaApr 18, 2024

appreciated!

What this question tests

Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.

Applying the order of operations out of sequence or rounding intermediate values before the final step.