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# a, b, c, and d lie on the number line such that a < b.

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BSchool Forum Moderator
Joined: 26 Feb 2016
Posts: 3128
Location: India
GPA: 3.12
a, b, c, and d lie on the number line such that a < b.  [#permalink]

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23 Aug 2018, 00:36
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Difficulty:

45% (medium)

Question Stats:

64% (01:06) correct 36% (01:35) wrong based on 22 sessions

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a, b, c, and d lie on the number line such that $$a < b$$. What is the value of $$\frac{(a-b)}{(c+d)}$$ ?

1. c lies exactly between a and b.
2. d lies exactly between a and c.

Source: Experts Global

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Joined: 02 Aug 2009
Posts: 6786
Re: a, b, c, and d lie on the number line such that a < b.  [#permalink]

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23 Aug 2018, 01:17
a, b, c, and d lie on the number line such that $$a < b$$. What is the value of $$\frac{(a-b)}{(c+d)}$$ ?

1. c lies exactly between a and b.

2. d lies exactly between a and c.

there are FOUR variables and NO numeric value. There is no relation between all four so that the variables get cancelled out from the fraction
Don't get overwhelmed with variables. press E immediately if something of this sort comes in actuals

E
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1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html

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Re: a, b, c, and d lie on the number line such that a < b. &nbs [#permalink] 23 Aug 2018, 01:17
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