A is the answ
qrt=rst+rts rst=x
it means that tr=rs. since qt=tr . then qt=rs=10
B is insuff, since no info about any side of the triangle
Length of QT
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Source: Beat The GMAT — Data Sufficiency |
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I posted a solution to a very similar problem here:
https://www.beatthegmat.com/gmatprep-pra ... tml#361652
https://www.beatthegmat.com/gmatprep-pra ... tml#361652
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Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.
As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.
For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
