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30 Nov 2023, 05:55
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Hey!
I have heard that the GMAT Focus doesn't test on 'pure math' based DS questions in the DI section.
Can anyone tell me what does 'pure math' mean? Are there some types of classic GMAT DS questions that are not tested on focus edition?
Thanks in advance!
Posted from my mobile device
I have heard that the GMAT Focus doesn't test on 'pure math' based DS questions in the DI section.
Can anyone tell me what does 'pure math' mean? Are there some types of classic GMAT DS questions that are not tested on focus edition?
Thanks in advance!
Posted from my mobile device
30 Nov 2023, 10:55
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Pure math DS questions ask about variables or values in questions that involve only math.
For instance the following question is a pure math DS question:
If x and y are nonzero integers, is \(x^y < y^x\) ?
Such questions appear on the classic GMAT but do not appear on the Focus Edition.
Only real-world scenario DS questions appear on the Focus Edition.
Here's an example of the type of DS question that appears on the Focus Edition:
A box of light bulbs contains exactly 3 light bulbs that are defective. What is the probability that a sample of light bulbs picked at random from this box will contain at least 1 defective light bulb?
For instance the following question is a pure math DS question:
If x and y are nonzero integers, is \(x^y < y^x\) ?
- (1) \(x = y^2\)
(2) \(y > 2\)
Such questions appear on the classic GMAT but do not appear on the Focus Edition.
Only real-world scenario DS questions appear on the Focus Edition.
Here's an example of the type of DS question that appears on the Focus Edition:
A box of light bulbs contains exactly 3 light bulbs that are defective. What is the probability that a sample of light bulbs picked at random from this box will contain at least 1 defective light bulb?
- (1) The light bulbs in the sample will be picked 1 at a time without replacement.
(2) The sample will contain exactly 20 light bulbs.
30 Nov 2023, 11:00
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MartyMurray
Interesting. Thanks a ton for answering my query, Marty!
