What could be the median of a collection of 6 distinct prime numbers?

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5.5

11.5

Correct

27.5

41.5

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Official Explanation

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In a set of 6 different prime numbers, the median is determined by averaging the 3rd and 4th primes. Since all primes greater than 2 are odd, both the 3rd and 4th primes will be odd,…

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Comments

RishiJul 20, 2024

cheers!

julesMar 12, 2024

thanks for taking time to upload it!

What this question tests

What it tests

Your command of divisibility, primes, factors, parity, and how the GMAT tests properties of integers.

Common trap

Forgetting that 1 is not prime, that 0 is divisible by every integer, or that negative numbers flip your assumptions.