GMAT Question of the Day (Dec 5): Arithmetic and Sentence Correction

By - Dec 5, 02:00 AM Comments [0]

Math (PS)

What is the last digit of 3^{3^3} ?

(A) 1
(B) 3
(C) 6
(D) 7
(E) 9

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Verbal (SC)

Standard police procedure requires that an officer interview witnesses separately rather than together.

(A) Standard police procedure requires that an officer interview witnesses separately rather than together
(B) A requirement, according to standard police procedure, is that an officer interview witness separately rather than interviewing them together
(C) Standard police procedure requires an officer to interview witnesses separately rather than to interview them together
(D) It is required in standard police procedure that an officer interviews witnesses separately, not together
(E) Standard police procedure requires that an officer interviews witnesses separately rather than together

Answers to the questions: D, A
For explanations please see these threads: math and verbal

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