The cardinality of a finite set is the number of elements in

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Fri Dec 06, 2019 2:32 pm

The cardinality of a finite set is the number of elements in the set. What is the cardinality of set A ?

(1) 2 is the cardinality of exactly 6 subsets of set A.
(2) Set A has a total of 16 subsets, including the empty set and set A itself.

OA D

Source: Official Guide

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Source: Beat The GMAT — Data Sufficiency | Fri Dec 06, 2019 2:32 pm

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