Reasoning

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Ramasubramanian: Newbie | Next Rank: 10 Posts; Posts: 5; Joined: Mon Dec 13, 2010 11:35 am

by Ramasubramanian » Mon Dec 13, 2010 11:40 am

10 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true?
A) All suspects are lying
B) the leftmost suspect is guilty
C) rightmost suspect is guilty
a)A only
b)A and B
c)B only
d)A and C

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Source: Beat The GMAT — Problem Solving | Mon Dec 13, 2010 11:40 am

kvcpk: Legendary Member; Posts: 1893; Joined: Sun May 30, 2010 11:48 pmFollowed by: 7 members; Thanked: 215 times

by kvcpk » Mon Dec 13, 2010 11:51 pm

Ramasubramanian wrote:10 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true?
A) All suspects are lying
B) the leftmost suspect is guilty
C) rightmost suspect is guilty
a)A only
b)A and B
c)B only
d)A and C

Definitely not a GMAT-like question.
Answer should be A I beleive.

"Once you start working on something,
don't be afraid of failure and don't abandon it.
People who work sincerely are the happiest."
Chanakya quotes (Indian politician, strategist and writer, 350 BC-275BC)

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prachich1987: Legendary Member; Posts: 752; Joined: Sun Sep 12, 2010 2:47 amFollowed by: 10 members; Thanked: 20 times; GMAT Score:700

by prachich1987 » Mon Dec 13, 2010 11:57 pm

I think it should be b) A and B
A & b convey the same meaning

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