What is the sum of five numbers?

(1) The average of the numbers is zero
(2) Only one of the numbers is positive.

Correct answer marked below

Statement (1) ALONE is sufficient

Correct

Statement (2) ALONE is sufficient

BOTH statements TOGETHER are sufficient

EACH statement ALONE is sufficient

Statements (1) and (2) TOGETHER are NOT sufficient

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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.

What is the sum of five numbers?(1) The average of the numbers is zero(2) Only one of the numbers is positive.