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Updated on: 20 Feb 2016, 00:29
Originally posted by MartyTargetTestPrep on 19 Feb 2016, 23:27.
Last edited by Bunuel on 20 Feb 2016, 00:29, edited 2 times in total.
Last edited by Bunuel on 20 Feb 2016, 00:29, edited 2 times in total.
RENAMED THE TOPIC.
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
49% (02:18) correct
51%
(02:13)
wrong
based on 140
sessions
History
Date
Time
Result
Not Attempted Yet
An auto dealership has multiple departments. Each of the departments has a manager, each department has multiple employees who work with the manager, and each department has the same number of of people in it. If there are only department managers and other department employees working at the dealership, and if there are fewer than 25 employees at the dealership, how many employees does the dealership have?
(1) The ratio of managers to non manager employees is 1:7.
(2) There are 21 non manager employees at the dealership.
(1) The ratio of managers to non manager employees is 1:7.
(2) There are 21 non manager employees at the dealership.
20 Feb 2016, 03:30
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MartyMurray
Hi all,
lets check the INFO from Q..
1) Each department has a manager M, and some employees E..
2) since the number of people in it, and manager is 1, E will also be same for all..
3) Number of people <25
4) However, we do not know the NUMBER of DEPT and number of PEOPLE per DEPT, to work out all employees
Now lets check the statements:-
(1) The ratio of managers to non manager employees is 1:7.
let teh ratio be x.. so M=x and E=7x..
total=8X, but 8X<25, so x can be 8,16,24..
Insuff as different possible answers
(2) There are 21 non manager employees at the dealership.
21 non manager means E=21..
so M can be 3, if departments are 3 in which case E=7 per dept
M can be 7, if departments are 7 in which case E=3 per dept..
here we may have two cases BUT we can ELIMINATE one because of restriction of people<25..
1) When M=3, total E= 3*7=21.. people= 3+21=24, which is <25..ok
2) When M=7, total E= 3*7=21.. people= 7+21=28, which is >25..not ok
so we have ans as 24..
Sufficient
B
05 Mar 2016, 17:03
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chetan2u
For (B), can't we have a 21 non-managers and 1 manager. For a total of 22 employees?
