The police arrested four criminals – P, Q, R and S. The criminals knew each…

GATE · 2019 · CS · General Aptitude

The police arrested four criminals – P, Q, R and S. The criminals knew each other. They made the following statements:

P says “Q committed the crime.”

Q says “S committed the crime.”

R says “I did not do it.”

S says “What Q said about me is false.”

Assume only one of the arrested four committed the crime and only one of the statements made above is true. Who committed the crime?

  1. A.

    P

  2. B.

    R

  3. C.

    S

  4. D.

    Q

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