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title title:apple
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7 votes
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Eight people A, B, C, D, E, F, G and H are sitting around a circular table facing the centre of the table but not necessarily in the same order. Each of them has a different profession, viz Teacher, Singer, Doctor, Accountant, Lawyer, Banker, Businessman and Actor. A sits third to the right of the Actor. Only two people sit between the Actor and H. Doctor and Businessman are immediate neighbours. Neither A nor H is either Businessman or a Doctor. The Businessman is not an immediate neighbour of the Actor. The teacher sits second to the left of E. E is not an immediate neighbour of H. The Teacher is an immediate neighbour of both the Accountant and Lawyer. The Lawyer sits third to the right of B. B is not Businessman. C sits on the immediate right of the singer. A is not a Singer. F is not an immediate neighbour of A. G is not an immediate neighbour of the Teacher.
in Logical Reasoning 8.3k points 55 131 178 15.4k views

1 Answer

3 votes
 
Best answer

Considering these conditions:

  • A sits third to the right of the Actor. 
  • Only two people sit between the Actor and H. 
  • Doctor and Businessman are immediate neighbours. 
  • Neither A nor H is either Businessman or a Doctor. 
  • The Businessman is not an immediate neighbour of the Actor.
   A H  
Actor(Doctor)(Business)   (Business)(Doctor)
  • The teacher sits second to the left of E. 
  • E is not an immediate neighbour of H. 
  • The Teacher is an immediate neighbour of both the Accountant and Lawyer.

So, between Teacher and E it must be either Accountant or Lawyer

(E)  A H (E)
Actor(Doctor)(Business) (Accountant) (Lawyer)(Teacher) 
(Accountant)
(Lawyer)
(Business)
(Teacher)
(Accountant)
(Lawyer)
(Doctor)
(Accountant)
(Lawyer)

 


This is an important clue. Teacher, Accountant and Lawyer must be occupying 3 of last 4. So, Doctor, Business can't come in last 4. 

(E)  A H (E)
ActorDoctorBusiness (Accountant)
(Lawyer)
(Teacher) 
(Accountant)
(Lawyer)
(Teacher)
(Accountant)
 (Lawyer)
(Accountant)
 (Lawyer)

 

  • The Lawyer sits third to the right of B. 
  • B is not Businessman.
(E)(B) A(B)H (E)
ActorDoctorBusiness (Accountant)
 (Lawyer)
(Teacher)
 (Accountant) 
(Teacher)
(Accountant) 
(Accountant)
(Lawyer)
 
  • A is not a Singer

So, Singer must be in last 4 and only Banker is left. So, A is Banker. Now Singer can go to only end of the last 4 as Teacher, Accountant and Lawyer must be in continuous position. 

 

(E)(B) A(B)H (E)
ActorDoctorBusinessBanker(Accountant)
 (Lawyer)
(Singer)
(Teacher)
 (Accountant) 
(Teacher)
(Accountant) 
(Accountant)
 (Lawyer)
(Singer)

Since Singer and Lawyer only can go to 2 places, we can eliminate Accountant from those 2 positions. 

 

(E)(B) A(B)H (E)
ActorDoctorBusinessBanker (Lawyer)
(Singer)
(Teacher)
 (Accountant) 
(Teacher)
(Accountant) 
 (Lawyer)
(Singer)
 

 

  • C sits on the immediate right of the singer.
  •  The Lawyer sits third to the right of B
CB A H E
ActorDoctorBusinessBanker Lawyer(Teacher) 
(Accountant) 
(Teacher)
(Accountant) 
 
Singer
 
  • F is not an immediate neighbour of A
  • The teacher sits second to the left of E
CB A HFE
ActorDoctorBusinessBanker LawyerTeacher Accountant 
Singer
 
  • G is not an immediate neighbour of the Teacher.
CBGADHFE
ActorDoctorBusinessBanker LawyerTeacher Accountant 
Singer
 
8.3k points 55 131 178
selected by
0
There are so many conditions given and how do we select the initial conditions from which we build our answer? Any tips would be much appreciated.
0
First try to put all given information into our data form- here it is a table. Then check all conditions one by one and see which can be used. Chosing some conditions over other might save us time, but there is no systematic way to do this. If we find some condition is eliminating most options we have to choose that, otherwise just do one by one.
0
Is this level of question asked in Gate exam?
0
Nopes - this is too difficult for GATE.

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