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If a,b,c and d are points on number line such that [#permalink]
10 Sep 2018, 21:53
Question Stats:
80% (02:25) correct
20% (01:18) wrong based on 5 sessions
If a, b, c and d are points on number line such that a < b < c < d, b is twice as far from c as from a, and c is twice as far as b is from d, then what is the value of \(\frac{ca}{db}\)? A)\(\frac{1}{3}\) B)\(\frac{2}{3}\) C)\(\frac{1}{2}\) D)1 E)3 Can anyone please post solution for this.




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Re: If a,b,c and d are points on number line such that [#permalink]
11 Sep 2018, 00:04
Can you give us an explanation please?



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Re: If a,b,c and d are points on number line such that [#permalink]
11 Sep 2018, 00:06
please post solution for this problem.



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Re: If a,b,c and d are points on number line such that [#permalink]
11 Sep 2018, 15:20
Actually, the question says tha a=1 b=2 c=4 d=5 b is twice as far from c as from a, and c is twice as far as bThe stem repeats the same thing twice. B and c are two units apart. \(\frac{41}{52}=\frac{3}{3}=1\) D
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Re: If a,b,c and d are points on number line such that [#permalink]
13 Sep 2018, 01:33
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Took 2 approaches. I put a on left of zero and then right of zero Left of zero: a = 1, b = 0, c = 2, d =3 > 2+1/30 = 3/3 =1
rightof zero: a =0, b =1, c =3, d = 4 answer: 30/41 = 3/3/ =1
Answer D




Re: If a,b,c and d are points on number line such that
[#permalink]
13 Sep 2018, 01:33





