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In a certain class of 5 students, the average (arithmetic mean) weight of any two students in the group is less than 70

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In a certain class of 5 students, the average (arithmetic mean) weight of any two students in the group is less than 70

by M7MBA » Sun Mar 14, 2021 5:23 am

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In a certain class of 5 students, the average (arithmetic mean) weight of any two students in the group is less than 70 kg. How many students in the class weigh 70 kg or more?

(1) One of the students weighs more than 70 kg.
(2) The median weight of all 5 students is 68 kg.

Answer: A

Source: GMAT Club Tests
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