The greatest number in a set of $4$ numbers is $70.$ What is the average (arithmetic mean) of the set?

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Thu Nov 26, 2020 12:51 pm

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The greatest number in a set of $4$ numbers is $70.$ What is the average (arithmetic mean) of the set?

(1) The median of the set is $25.$
(2) The range of the set is $70.$

Answer: C

Source: Princeton Review

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Source: Beat The GMAT — Data Sufficiency | Thu Nov 26, 2020 12:51 pm

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