Which of the following expressions does not e… | GMAT Sprint

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sub-505

Arithmetic

Which of the following expressions does not equal the others?

Correct answer marked below

\frac{2 + 3 + 4 + 5 + 6}{4}

Correct

\frac{1}{4}(1 + 1 + 1 + 1 + 1)

\frac{1}{4} + \frac{1}{4} + \frac{1}{4} + \frac{1}{4} + \frac{1}{4}

\frac{3}{4}(\frac{1}{3} + \frac{1}{3} + \frac{1}{3} + \frac{1}{3} + \frac{1}{3})

\frac{1}{4} + \frac{2}{8} + \frac{3}{12} + \frac{4}{16} + \frac{5}{20}

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Explanation

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Official Explanation

Official

To find the values of the expressions:

A.

\frac{2 + 3 + 4 + 5 + 6}{4} = \frac{20}{4} = 5

.

B.

\frac{1}{4}(1 + 1 + 1 + 1 + 1) = \frac{5}{4} = 1.25

.

C.

\frac{1}{4} + \frac{1}{4} + \frac{1}{4} + \frac{1}{4} + \frac{1}{4} = \frac{5}{4} = 1.25

.

D.

\frac{3}{4}(\frac{1}{3} + \frac{1}{3} + \frac{1}{3} + \frac{1}{3} + \frac{1}{3}) = \frac{3}{4}(\frac{5}{3}) = \frac{15}{12} = 1.25

.…

Comments

LenaApr 26, 2025

Greatt

AditiAug 8, 2024

Amazing

SuhaniDec 28, 2024

Good question

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.