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by GmatKiss » Mon Oct 10, 2011 6:51 am
knight247 wrote:How many ways can a selection be done of 5 letters out of 5 A's, 4B'S, 3C'S, 2D'S and 1 E.
A) 60
B) 75
C) 71
D) 121
E) 221

OA is C

Detailed explanations would be appreciated. Thanks
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https://www.beatthegmat.com/tough-combin ... 86667.html

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