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diebeatsthegmat
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diebeatsthegmat wrote:
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a data from gmat club
Source: Beat The GMAT — Data Sufficiency |
Assuming angle x is angle(BCD)......
Since AD || BC, angle(BCD) and angle z are supplementary (they add upto 180 degrees).
So the question is reduced to finding what the value of angle z.
statement 1: no info about angle z
statement 2: z=40.
Hence B.
Thanks !
Since AD || BC, angle(BCD) and angle z are supplementary (they add upto 180 degrees).
So the question is reduced to finding what the value of angle z.
statement 1: no info about angle z
statement 2: z=40.
Hence B.
Thanks !
