What are the last two digits of $(301\cdot402\cdot 503\cdot604\cdot646\cdot547\cdot448\cdot 349)^2.$

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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 » Fri Jul 10, 2020 2:29 am

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What are the last two digits of $(301\cdot402\cdot 503\cdot604\cdot646\cdot547\cdot448\cdot 349)^2.$

(A) 96
(B) 76
(C) 56
(D) 36
(E) 16

[spoiler]OA=B[/spoiler]

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Fri Jul 10, 2020 2:29 am

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