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11 Jul 2022, 07:22
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
49% (01:19) correct
51%
(01:39)
wrong
based on 65
sessions
History
Date
Time
Result
Not Attempted Yet
14 Jul 2022, 08:32
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Quote:
Statement (1) is clearly NOT sufficient, since it invokes a second variable about which we can deduce nothing. We are left with no way of correlating the two unknowns.
Statement (2) is a run-of-the-mill absolute value equation, and looking at it for a few seconds should allow you to figure out that p has two solutions, 11 and -21. Of course, you could solve for the second solution more formally if you were uncomfortable with absolute values: -(p + 5) = 16. Since there are two valid solutions to the question, this statement is NOT sufficient.
Together, the statements allow us to rule out -21, since
5|q + 1| = (-21) - 5
will not produce a valid equation. The right-hand side cannot be negative. Thus, p can only equal 11, and the answer must be (C). (The other variable was in the equation as a red herring.)
- Andrew
14 Jul 2022, 09:21
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Absolute value questions are among the hardest questions in the GMAT test
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