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18 Jun 2025, 00:30
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
95% (00:54) correct
5%
(00:46)
wrong
based on 81
sessions
History
Date
Time
Result
Not Attempted Yet
What is Mary’s age?
(1) In two years, Mary will be twice as old as Beth is now.
(2) Susan’s age is the average of Mary’s and Beth’s ages.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
(1) In two years, Mary will be twice as old as Beth is now.
(2) Susan’s age is the average of Mary’s and Beth’s ages.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
18 Jun 2025, 06:06
Kudos
Bookmarks
M=?
S1
M+2=2B
No info on B
Insufficient
S2
S=(M+B)/2
M=2S-B
No more info on B or S
Insufficient
Together
2B-2=2S-B
3B=2S+2
B=2/3 * (S+1)
No info on S to get B and M
Insufficient
Answer E
S1
M+2=2B
No info on B
Insufficient
S2
S=(M+B)/2
M=2S-B
No more info on B or S
Insufficient
Together
2B-2=2S-B
3B=2S+2
B=2/3 * (S+1)
No info on S to get B and M
Insufficient
Answer E
Bunuel
