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12q20

by stubbornp » Thu Oct 16, 2008 11:28 pm
20. Jane is in a certain ticket line in which each of the other people in the line is either behind her or ahead of her. In the line, the number of people ahead of Jane is 5 more than the number of people behind her. What is the total number of people in the line?

(1) There are 11 people ahead of Jane in the line.
(2) The total number of people in the line is 3 times the number of people behind Jane.
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Source: — Data Sufficiency |
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by stop@800 » Fri Oct 17, 2008 12:13 am
IMO D

OA please?
will paste explanation after OA
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by stubbornp » Fri Oct 17, 2008 1:21 am
OA D
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by stop@800 » Fri Oct 17, 2008 2:42 am
one unknown and both statement provide one equn to solve

x Jane x+5

total no of ppl = 2x + 6

A
x+f = 11
so we can find total no of ppl

B
2x + 6 = 3(x)
again we can find total no of ppl

so ans is D
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