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If [x] is the greatest integer less than or equal to x

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If [x] is the greatest integer less than or equal to x

by VJesus12 » Mon May 28, 2018 2:07 am

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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

The OA is the option A.

Shouldn't it be 4? I am confused. Please, someone explain this question to me.
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by GMATGuruNY » Mon May 28, 2018 2:18 am
VJesus12 wrote: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
[-1.6] = greatest integer less than or equal to -1.6 = -2.
[3.4] = greatest integer less than or equal to 3.4 = 3.
[2.7] = greatest integer less than or equal to 2.7 = 2.
Sum of all three values = -2 + 3 + 2 = 3.

The correct answer is A.
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by Brent@GMATPrepNow » Mon May 28, 2018 5:10 am
Here are some related questions to practice with:
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by Jeff@TargetTestPrep » Wed May 30, 2018 4:21 pm
VJesus12 wrote: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
[-1.6]+[3.4]+[2.7] = -2 + 3 + 2 = 3

Answer: A

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