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27 < x3 < 125
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04 Sep 2024, 01:14
04 Sep 2024, 01:14
Expert Reply
00:00
Question Stats:
83% (00:30) correct
16% (00:52) wrong based on 6 sessions
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\(27 < x^3 < 125\)
Quantity A |
Quantity B |
x |
4 |
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Re: 27 < x3 < 125
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08 Sep 2024, 12:04
08 Sep 2024, 12:04
1
Tip: You should have the cubes of integers memorized for speed; e.g., \(3^3 = 27\)
The cube root of 27 is 3. The cube root of 125 is 5.
Therefore, 3 < x < 5.
However, it does not specify that x must be an integer.
If x is between 3 and 4, Quantity B is larger.
If x is equal to 4, the Quantities are the same
If x is between 4 and 5, Quantity A is larger.
The cube root of 27 is 3. The cube root of 125 is 5.
Therefore, 3 < x < 5.
However, it does not specify that x must be an integer.
If x is between 3 and 4, Quantity B is larger.
If x is equal to 4, the Quantities are the same
If x is between 4 and 5, Quantity A is larger.
gmatclubot
Re: 27 < x3 < 125 [#permalink]
08 Sep 2024, 12:04
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