BTGmoderatorDC wrote:
In the addition above, #, @, and & each represents a distinct, positive digit. If & is even, what is the value of #?
(1) # and @ are even and & = 6
(2) # < @
OA
C
Source: Princeton Review
We have # + @ = &, where #, @, and & each represents a distinct, positive digit and & is even
We have to get the value of #.
Let's take each statement one by one.
(1) # and @ are even and & = 6.
There are two possibilities: 1. # = 2 and @ = 4 and 2. # = 4 and @ = 2. No unique value of #. Insufficient.
(2) # < @
Certainly insufficient.
(1) and (2) together
From (1) and (2), we have # = 2 and @ = 4. Sufficient.
The correct answer:
C
Hope this helps!
-Jay
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