Permutation and Combination Problems

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sukhman: Master | Next Rank: 500 Posts; Posts: 202; Joined: Sun Sep 08, 2013 11:51 am; Thanked: 3 times; Followed by:2 members

Permutation and Combination Problems

by sukhman » Mon Sep 09, 2013 9:47 am

A man wants to visit at least two of the four cities A, B, C and D. How many travel itineraries can he make? All cities are connected to one another. Answer 4P2 + 4P3 + 4P4

Last edited by sukhman on Mon Sep 09, 2013 10:29 pm, edited 1 time in total.

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Source: Beat The GMAT — Problem Solving | Mon Sep 09, 2013 9:47 am

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by [email protected] » Mon Sep 09, 2013 12:08 pm

Hi sukhman,

If you'd like help with these questions, then you should list only 1 question/post and you should include the answer choices for reference. If you want to really make everyone happy, then you'll include the correct answer and the source of the question.

GMAT assassins aren't born, they're made,
Rich

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