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12 Mar 2025, 00:30
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E
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Difficulty:
25%
(medium)
Question Stats:
86% (01:12) correct
14%
(01:15)
wrong
based on 57
sessions
History
Date
Time
Result
Not Attempted Yet
A certain company currently has how many employees?
(1) If 5 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.
(2) If no additional employees are hired by the company and 5 of the present employees resign, there will be fewer than 13 employees in the company.
(1) If 5 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.
(2) If no additional employees are hired by the company and 5 of the present employees resign, there will be fewer than 13 employees in the company.
12 Mar 2025, 00:43
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Let number of employees be n
Statement 1
n+5 >= 20
n>=15
We don't know if n is 15, 20 or 100, etc
Insufficient
Statement 2
n-5<13
n<18
We don't know if n is 17, 12, 10, etc.
Insufficient
Combined
15<=n<18
n could be 15, 16 or 17.
Insufficient
Answer E
Statement 1
n+5 >= 20
n>=15
We don't know if n is 15, 20 or 100, etc
Insufficient
Statement 2
n-5<13
n<18
We don't know if n is 17, 12, 10, etc.
Insufficient
Combined
15<=n<18
n could be 15, 16 or 17.
Insufficient
Answer E
Bunuel
12 Mar 2025, 08:46
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Let, the number of current employees= a
(1) If 5 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.
a+5>=20
a>=15
Insufficient (as the number of employees can be any number above 14)
(2) If no additional employees are hired by the company and 5 of the present employees resign, there will be fewer than 13 employees in the company.
a-5<13
a<18
Insufficient (a can be any number less than 18)
Taking (1)&(2) together,
15<=a<18
a can be 16,17,18
Insufficient
Answer: E
(1) If 5 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.
a+5>=20
a>=15
Insufficient (as the number of employees can be any number above 14)
(2) If no additional employees are hired by the company and 5 of the present employees resign, there will be fewer than 13 employees in the company.
a-5<13
a<18
Insufficient (a can be any number less than 18)
Taking (1)&(2) together,
15<=a<18
a can be 16,17,18
Insufficient
Answer: E
