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15 Apr 2021, 13:15
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
84% (01:23) correct
16%
(01:27)
wrong
based on 67
sessions
History
Date
Time
Result
Not Attempted Yet
On a construction site, 16 of the men wear helmets, and 19 of the women do not wear helmets. How many people are there on the construction site?
(1) There are 21 men on the construction site.
(2) There are 24 people that do not wear helmets on the construction site.
(1) There are 21 men on the construction site.
(2) There are 24 people that do not wear helmets on the construction site.
15 Apr 2021, 13:31
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Bunuel
IMO E
Men with helment: MH
Men without helmet: MWH
Women with helmet :WH
Women without helmet :WWH
MH +MWH+WH+WWH = TOTAL
Given MH and WWH as 16 and 19
St1: gives value for MWH. WH?
St2: again gives value for MWH. WH?
Together they are not sufficient. Hence E
Posted from my mobile device
15 Apr 2021, 18:08
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Given: On a construction site, 16 of the men wear helmets, and 19 of the women do not wear helmets.
Asked: How many people are there on the construction site?
Men:
Men wearing helmets = 16
Men not wearing helmets =
Total men =
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
(1) There are 21 men on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 21-16 =5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
21-6 = 5 men do not wear helmets on the construction site.
Number of women on the construction site is unknown
NOT SUFFICIENT
(2) There are 24 people that do not wear helmets on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 24-19 = 5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
24 - 19 = 5 men do not wear helmets on the construction site.
Number of people on the construction site can not be determined.
NOT SUFFICIENT
(1) + (2)
(1) There are 21 men on the construction site.
(2) There are 24 people that do not wear helmets on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 21-16=5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
Still number of women on the construction site can not be determined
NOT SUFFICIENT
IMO E
Asked: How many people are there on the construction site?
Men:
Men wearing helmets = 16
Men not wearing helmets =
Total men =
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
(1) There are 21 men on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 21-16 =5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
21-6 = 5 men do not wear helmets on the construction site.
Number of women on the construction site is unknown
NOT SUFFICIENT
(2) There are 24 people that do not wear helmets on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 24-19 = 5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
24 - 19 = 5 men do not wear helmets on the construction site.
Number of people on the construction site can not be determined.
NOT SUFFICIENT
(1) + (2)
(1) There are 21 men on the construction site.
(2) There are 24 people that do not wear helmets on the construction site.
Men:
Men wearing helmets = 16
Men not wearing helmets = 21-16=5
Total men = 21
Women:
Women wearing helmets =
Women not wearing helmets = 19
Total women =
Total construction people = men + women
Still number of women on the construction site can not be determined
NOT SUFFICIENT
IMO E
