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08 Jan 2022, 02:06
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C
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Difficulty:
95%
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Question Stats:
48% (02:14) correct
52%
(02:12)
wrong
based on 134
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Ana, Bruce and Carlos are on the waiting list of an MBA program. If there are 20 people in front of Ana, 3 people between Bruce and Carlos and 15 people between Ana and Carlos, what is the number of people between Ana and Bruce?
(1) Ana is ahead of Carlos.
(2) There are 40 people on the waiting list.
Are You Up For the Challenge: 700 Level Questions
(1) Ana is ahead of Carlos.
(2) There are 40 people on the waiting list.
Are You Up For the Challenge: 700 Level Questions
08 Jan 2022, 08:25
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Bunuel
Breaking Down the Info:
We essentially only need to know the order of Ana, Brace, and Carlos in line. Mainly whether Bruce is in front of in the back of Carlos, and whether Carlos/Brace is in front or back of Ana.
Statement 1 Alone:
This tells us Ana must be in front of Bruce as well since Bruce is only 3 people away from Carlos. However, we don't know if Bruce is in front of Carlos or behind Carlos, so there can be two answers given this information. Thus statement 1 is insufficient.
Statement 2 Alone:
We should check whether we are allowed to have Ana > Carlos > Bruce. Ana is #21 in line, and add 15 then add 1 to find Carlos is no.37 in line. Thus it is not possible for Bruce to be 3 people behind Carlos, and Bruce must be in front of Carlos. Therefore if Carlos is behind Ana, we must have Ana > Bruce > Carlos.
We should check also if we have Bruce > Carlos > Ana, Carlos would be #5 in this case, and Bruce could be #1. Then it is possible to have Bruce > Carlos > Ana. Thus this statement is insufficient as we have two different relative positions for Bruce. (Note if we made Anna #20 in line with only 39 people in line, this would have been sufficient since Bruce must be 11 people away from Ana, in either direction).
Both Statements Combined:
Since Ana must be in front of Bruce, we have only one option. Then combined this is sufficient.
Answer: C
08 Jan 2022, 09:19
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Ana, Bruce and Carlos are on the waiting list of an MBA program.
If there are 20 people in front of Ana, 3 people between Bruce and Carlos and 15 people between Ana and Carlos,
what is the number of people between Ana and Bruce?
(1) Ana is ahead of Carlos.
Infront of Ana 20 people would be there, so Ana might be 21st Position,
Between Ana and Carlos, 15 people are three, so Carlos might be at 37th position
Between Bruce and Carlos , 3 people are there, that means Bruce would be at 41th position or at 33th position.
We have two possible situation
Ana > Bruce > Carlos = 33th position
Ana > Carlos < Bruce = 41th position
Statement A: Not sufficient
(2) There are 40 people on the waiting list - no relationship between Ana, Bruce and Carlos - Not sufficient.
Combining Statement (1) and (2),
Since Bruce cannot be at 41th Position, it Means sequence will be Ana, Bruce and Carlos, with his we can defined difference between Ana and Bruce
Correct Option C
Posted from my mobile device
If there are 20 people in front of Ana, 3 people between Bruce and Carlos and 15 people between Ana and Carlos,
what is the number of people between Ana and Bruce?
(1) Ana is ahead of Carlos.
Infront of Ana 20 people would be there, so Ana might be 21st Position,
Between Ana and Carlos, 15 people are three, so Carlos might be at 37th position
Between Bruce and Carlos , 3 people are there, that means Bruce would be at 41th position or at 33th position.
We have two possible situation
Ana > Bruce > Carlos = 33th position
Ana > Carlos < Bruce = 41th position
Statement A: Not sufficient
(2) There are 40 people on the waiting list - no relationship between Ana, Bruce and Carlos - Not sufficient.
Combining Statement (1) and (2),
Since Bruce cannot be at 41th Position, it Means sequence will be Ana, Bruce and Carlos, with his we can defined difference between Ana and Bruce
Correct Option C
Posted from my mobile device
