If \([x]\) is the greatest integer less than or equal to \(x,\) what is the value of \([-1.6] + [3.4] + [2.7]?\)

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If \([x]\) is the greatest integer less than or equal to \(x,\) what is the value of \([-1.6] + [3.4] + [2.7]?\)

(A) 3
(B) 4
(C) 5
(D) 6
(E) 7

Answer: A

Source: GMAT Paper Tests
Source: — Problem Solving |