GMATPASSION wrote:
What is 10 - 8 + 6 - 4 + ... - (-20) ?
A. 8
B. 10
C. 12
D. 14
E. 16
Bunuel VeritasKarishma Please help me.
I deduced two series.
10, 6, 2, -2, -6, -10, -14, -18 (In this series we are deducting 4 from previous term)
-8, -4, 0, 4, 8, 12, 16, 20 (In this series we are adding 4 to previous term)
My question is why -(-20) is written in the question stem instead of 20 though the -(-20) = 20.
Is it intentional or I am deducing something wrong?
Thanks in advance.
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