TCS
Company
Logical Reasoning
Logical Sequences
A, B, C and D are seated in four adjacent seats. They make the following statements.
A : I am not in the third position.
B : I am in the second or third position.
C : I am in the first position.
D : I am in the fourth position.
If three of them are speaking the truth and one of them is lying, who is in the fourth position?
Read Solution (Total 8)
-
- ANSWER: A or D or may be a Dummy question. Because if we consider D as lying and A,B,C saying truth, then A is in fourth position. Other than that condition, for all other condition D is in fourth position. PROOF: Possible seat combinations are 1)if A is lying-CBAD 2)if C is lying- ABCD(or)ACBD 3)if D is lying-CDBA(or)CBDA 4)if B is lying- u cant come into a seating conclusion and conditions overlap. so A or D or Dummy question...
- 11 years agoHelpfull: Yes(18) No(1)
- D is in fourth position
A might be false
So C occupies 1st position
B occupies 2nd position
A occupies 3rd position(As A is false & says its not in 3rd so its in 3rd)
D occupies 4th position
Now all the conditions are satisfied - 11 years agoHelpfull: Yes(17) No(2)
- Answer: D is in the fourth position
EXPLANATION:
If three of them are speaking truth and one of them is lying.
so here total 4 combination of truth: 1)A,B,C
2)A,C,D
3)B,C,D
4)A,C,D
so according to above all 4 combination we see that always D is in the fourth position
- 11 years agoHelpfull: Yes(10) No(9)
- ans: D is at fourth position
- 11 years agoHelpfull: Yes(1) No(3)
- Ans D is in forth position
- 11 years agoHelpfull: Yes(1) No(0)
- ans is i am in fourth position
- 11 years agoHelpfull: Yes(1) No(14)
- C,A,B,D
if b is lyng.. - 11 years agoHelpfull: Yes(1) No(2)
- ANSWER: C or D
If C is lying, A will be at first position and C will be at third position.
If D is lying, A will be at fourth position and D will be at third position.
- 10 years agoHelpfull: Yes(0) No(0)
TCS Other Question