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# If each letter on the number line above is the number that corresponds

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Math Expert
Joined: 02 Sep 2009
Posts: 47879
If each letter on the number line above is the number that corresponds  [#permalink]

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13 Jul 2018, 00:59
00:00

Difficulty:

25% (medium)

Question Stats:

64% (00:55) correct 36% (01:03) wrong based on 43 sessions

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If each letter on the number line above is the number that corresponds to the point below it, then which of the following is closest to D/A?

A. A
B. B
C. C
D. D
E. E

Attachment:

test.jpg [ 8.22 KiB | Viewed 363 times ]

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Joined: 07 May 2016
Posts: 8
Re: If each letter on the number line above is the number that corresponds  [#permalink]

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13 Jul 2018, 01:05
I think the answer is: C

I assumed that D=2.7 and A=0.9. Therefore, D/A= 3
Math Expert
Joined: 02 Aug 2009
Posts: 6501
Re: If each letter on the number line above is the number that corresponds  [#permalink]

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13 Jul 2018, 01:19
1
Bunuel wrote:

If each letter on the number line above is the number that corresponds to the point below it, then which of the following is closest to D/A?

A. A
B. B
C. C
D. D
E. E

Attachment:
test.jpg

The difference between A and 1 AND between D and 3 is almost the same....
so it will be A=0.9 and D = 2.9 or A=0.8 and D = 2.8
If A=0.8 and D = 2.8.. $$\frac{2.8}{0.8}= \frac{7}{2}=3.5$$ so near to E
even if we take 2.9 and 0.9 ... \frac{2.9}{0.9} = 3.22

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: If each letter on the number line above is the number that corresponds  [#permalink]

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13 Jul 2018, 05:07
Not sure if this is the optimal method, but this is how I did it:

From observation, A and 1 AND D and 3 are located at a similar distance. Hence, they both will have the same digit after the decimal.

Therefore, D = 2.8 and A = 0.8.

D/A = 3.5

The point closest is E.
Re: If each letter on the number line above is the number that corresponds &nbs [#permalink] 13 Jul 2018, 05:07
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