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30 Oct 2019, 02:45
Kudos
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D
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:
88% (00:52) correct
12%
(00:49)
wrong
based on 78
sessions
History
Date
Time
Result
Not Attempted Yet
Rory is 3 years older than Joe, and Andrea is 2 years older than Rory. If Andrea is 24 years old, what is the median age of these three people?
A. 19
B. 20
C. 21
D. 22
E. 24
A. 19
B. 20
C. 21
D. 22
E. 24
30 Oct 2019, 04:15
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24=Rory+2
Rory=22
22=3+Joe
Joe=19
19,22,24
median is 22
Posted from my mobile device
Rory=22
22=3+Joe
Joe=19
19,22,24
median is 22
Posted from my mobile device
31 Oct 2019, 05:40
Kudos
Bookmarks
Solution
Given:
- • Rory is 3 years older than Joe, and
• Andrea is 2 years older than Rory
• Andrea is 24 years old
To find:
- • The median age of these three people
Approach and Working Out:
- • Age of Rory = Age of Andrea – 2 = 22 years
• Age of Joe = Age of Rory – 3 = 19 years
• Therefore, the median age is 22 years
Hence, the correct answer is Option D.
Answer: D
