Coins are to be put into 7 pockets so that each pocket contains at least one coin. At most 3 of the pockets are to conta

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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 Dec 09, 2021 11:28 am

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Coins are to be put into 7 pockets so that each pocket contains at least one coin. At most 3 of the pockets are to contain the same number of coins, and no two of the remaining pockets are to contain an equal number of coins. What is the least possible number of coins needed for the pockets?

(A) 7
(B) 13
(C) 17
(D) 22
(E) 28

Answer: C

Source: GMAT Paper Tests

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Source: Beat The GMAT — Problem Solving | Thu Dec 09, 2021 11:28 am

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