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09 Jul 2011, 03:43
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
56% (00:57) correct
44%
(00:49)
wrong
based on 128
sessions
History
Date
Time
Result
Not Attempted Yet
Tom and Jack are in a line to purchase iphones. How many people are in the line?
(1) There are 20 people behind Tom and 20 people in front of Jack.
(2) There are 5 people between Tom and Jack.
(1) There are 20 people behind Tom and 20 people in front of Jack.
(2) There are 5 people between Tom and Jack.
My thought is since there are 20 people behind Tom and 20 people infront of Jack, so there are 19 people between Tom and Jack.
(2) I think it is correct. Because total people would be 7.
(2) I think it is correct. Because total people would be 7.
09 Jul 2011, 04:17
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(1) There are 20 people behind Tom and 20 people in front of Jack.
20 T J 20
Total = 42
20 T 1 J 20
Total = 43
Two answer. Not sufficient.
2) There are 5 people between Tom and Jack.
T 5 J
Total = 7
20 T 5 J
Total = 27
Not sufficient.
Together, 20 T 5 J 20
Total = 47
14 J 5 T 14
Total = 35
Two answer. Not sufficient.
OA E
20 T J 20
Total = 42
20 T 1 J 20
Total = 43
Two answer. Not sufficient.
2) There are 5 people between Tom and Jack.
T 5 J
Total = 7
20 T 5 J
Total = 27
Not sufficient.
Together, 20 T 5 J 20
Total = 47
14 J 5 T 14
Total = 35
Two answer. Not sufficient.
OA E
21 Jun 2018, 11:20
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tracyyahoo
Statement 1: There are 20 people behind Tom and 20 people in front of Jack.
This means 20 + Jack + Tom + 20 (total 42 people) or 19+Tom+Jack+19 (total 40 people). Insufficient
Statement 2:There are 5 people between Tom and Jack.
This means x+Jack+5+Tom+y (total unknown number of people) Insufficient
Both statements put together, they're still Insufficient since we don't know the order between Tom and Jack.
20+Jack+5+Tom+20 (total 47 people) or 14+Tom+5+Jack+14 (total 35 people).
Therefore, Correct answer is Option E.
