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Bunuel
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 16 Oct 2019, 23:11
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C
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Difficulty:

25% (medium)

Question Stats:

71% (01:09) correct 29% (01:39) wrong based on 153 sessions

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If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

A. −2
B. −5/3
C. 0
D. 1/3
E. 7/4
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C
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 16 Oct 2019, 23:48
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Bunuel
If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

A. −2
B. −5/3
C. 0
D. 1/3
E. 7/4

\(\frac{[4.3]+[−6.7]}{[−7.2]} = \frac{(6 + (-6))}{-6} = 0\)

IMO Option C
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 17 Oct 2019, 13:33
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@Bunel - Could you please advise how 4.3 is rounded to 6 since it is supposed to be the lowest even integer?

Thanks!
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 18 Oct 2019, 01:52
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Bunuel
If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

A. −2
B. −5/3
C. 0
D. 1/3
E. 7/4

Asked: If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

[4.3] = 6
[-6.7]= -6
[-7.2] = -6

Putting values in \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)
\(\frac{6 + (-6)}{(-6)}= 0\)

IMO C
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 29 Oct 2019, 15:40
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Kinshook
Bunuel
If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

A. −2
B. −5/3
C. 0
D. 1/3
E. 7/4

Asked: If [x] is the lowest even integer greater than x, then \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)

[4.3] = 6
[-6.7]= -6
[-7.2] = -6

Putting values in \(\frac{[4.3]+[−6.7]}{[−7.2]}=\)
\(\frac{6 + (-6)}{(-6)}= 0\)

IMO C

Hello. could you please elaborate on why [4.3] or [-7.2] become 6 or -6?
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 29 Oct 2019, 22:38
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Could anyone explain why [4.3] is not equal to 5. Also, [-7.2] is not equal to -7
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 29 Oct 2019, 22:57
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Nowwk
Could anyone explain why [4.3] is not equal to 5. Also, [-7.2] is not equal to -7

Pay attention to the highlighted word: If [x] is the lowest even integer greater than x.

Since the lowest even integer greater than 4.3, is 6, then [4.3] = 6.
Also, since the lowest even integer greater than -7.2, is -6, then [-7.2] = -6.
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If [x] is the lowest even integer greater than x, then [4.3]+[−6.7]/[− 29 Oct 2019, 23:42
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BrindaRB
@Bunel - Could you please advise how 4.3 is rounded to 6 since it is supposed to be the lowest even integer?

Thanks!

The wording here is the KEY problem.
If [x] is the lowest even integer greater than x.

BACK to your question
even integers greater than 4.3=6,8,10,12......
The question is asking about the LOWEST of them i.e. 6.

The question is NOT asking about the lowest even integer (Lowest even integer can be -55555550 or -100000000 or -222222222222222 etc)
The question is asking about the lowest even integer greater than that number .
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