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FitnessforFriends
Joined: 23 Aug 2018
Last visit: 19 Feb 2023
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Location: Canada
Concentration: Economics, Organizational Behavior
Schools: Haas '22 CBS '22 Johnson '22 Anderson '25 Booth '25 Darden '25 Fuqua '25 HBS '25 Kellogg '25 Kenan-Flagler '25 LBS '25 Marshall '25 McCombs '25 McDonough '25 Rotman '25 Stanford '25 Wharton '25 Yale '25
GMAT 1: 650 Q48 V33
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GPA: 3.7
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Schools: Haas '22 CBS '22 Johnson '22 Anderson '25 Booth '25 Darden '25 Fuqua '25 HBS '25 Kellogg '25 Kenan-Flagler '25 LBS '25 Marshall '25 McCombs '25 McDonough '25 Rotman '25 Stanford '25 Wharton '25 Yale '25
GMAT 2: 620 Q44 V29
Posts: 18
Updated on: 30 Mar 2021, 11:29
Originally posted by FitnessforFriends on 30 Mar 2021, 11:21.
Last edited by Bunuel on 30 Mar 2021, 11:29, edited 1 time in total.
Last edited by Bunuel on 30 Mar 2021, 11:29, edited 1 time in total.
Renamed the topic.
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
65% (01:59) correct
35%
(02:23)
wrong
based on 296
sessions
History
Date
Time
Result
Not Attempted Yet
An auditor wants to conduct audits in 4 schools, of 5 different cities, in such a way that no two schools belong to same city. If in each city, there are 2 schools then in how many ways can the auditor select the schools for audit?
(A) 5
(B) 20
(C) 40
(D) 80
(E) 160
(A) 5
(B) 20
(C) 40
(D) 80
(E) 160
15 Apr 2021, 11:27
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FitnessforFriends
Solution:
There are 2C1 = 2 choices of schools for each of the 4 cities he will visit and there are 5C4 = 5 ways to choose the 4 cities. Therefore, there are a total of 2 x 2 x 2 x 2 x 5 = 80 ways to visit the schools.
Answer: D
General Discussion
30 Mar 2021, 22:43
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Select 4 cities out of 5 and select 1 school in each of the 4 cities
5C4*(2C1)^4=5*16=80
Option D
5C4*(2C1)^4=5*16=80
Option D
