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24 Aug 2015, 23:31
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Difficulty:
5%
(low)
Question Stats:
93% (00:52) correct
7%
(01:34)
wrong
based on 68
sessions
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Two family reunions are happening at the same hotel, the Oates reunion and the Hall reunion. All 100 guests at the hotel attend at least one of the reunions. If 40 people attend the Oates reunion and 62 people attend the Hall reunion, how many people attend both reunions?
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
Kudos for a correct solution.
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
Kudos for a correct solution.
25 Aug 2015, 01:25
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Bunuel
Two family reunions are happening at the same hotel, the Oates reunion and the Hall reunion. All 100 guests at the hotel attend at least one of the reunions. If 40 people attend the Oates reunion and 62 people attend the Hall reunion, how many people attend both reunions?
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
Ans: A
Solution: Total = O+H-both
100 = 62+40-x
x=2
ENGRTOMBA2018
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25 Aug 2015, 04:50
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Bunuel
Two family reunions are happening at the same hotel, the Oates reunion and the Hall reunion. All 100 guests at the hotel attend at least one of the reunions. If 40 people attend the Oates reunion and 62 people attend the Hall reunion, how many people attend both reunions?
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
Kudos for a correct solution.
(A) 2
(B) 5
(C) 10
(D) 16
(E) 22
Kudos for a correct solution.
Refer to the attached image for the matrix method. Text in black : given, text in red: calculated.
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