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Multiple Choice Questions

For which suspect s must their respective second statements be true ........

Logical Reasonong (PCS) Puzzle Test

Four people, A, B, C and D, are suspects in a murder case, where exactly one of them is the murderer. The victim has been murdered by a knife during a stormy night at her residence in a small town. All four of the suspects made two statements each. It is known that for each of them, one statement is correct and one statement is wrong, although, at the outset, it is not known which one is correct and which one is wrong.
A: I. I have never touched a knife in my life. II. I was not in town on the night of the murder.
B: I. A is the murderer. II. I was playing cards with C the entire night of the murder.
C: I. I was sleeping on the night of the murder. II. B is innocent.
D: I. C is innocent. II. B is the murderer.

For which suspect(s), must their respective second statements be true ?

This questions was previously asked in

PCS Previous year General Studies paper (2018)

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View All pcs Previous Year Papers

D only

C only

B and C only

A, B and C only

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Explanation:

Given that The victim has been murdered by a knife during a stormy night at her residence in a small town.
It is known that for each of them, one statement is correct and one statement is wrong,
A: I. I have never touched a knife in my life.
II. I was not in town on the night of the murder.
According to Both the statements A is not the murderer. But cann't conclude which statement is true
B: I. A is the murderer. (wrong)
II. I was playing cards with C the entire night of the murder. (correct)

C: I. I was sleeping on the night of the murder. ( Wrong)
II. B is innocent. (Correct)

Here we can easily conclude that A,B,C are innocent. means D is he murderer

D: I. C is innocent. (correct)
II. B is the murderer.(wrong)
so 2nd statement of B and C are correct