20220407-TS-Problem solving-Logic Games-Who is lying?

Titan

1        Jolene, Charlie and Natalie were classmates. One of them cleaned up the classroom one day while there was nobody around. Below were their replies when the teacher questioned about who cleaned up the classroom.
        Jolene : Charlie cleaned the classroom.
        Charlie : I did not do it.
        Natalie : Neither did I.
If one of them was telling the truth, find out who cleaned up the classroom?

A        Jolene
B        Charlie
C        Natalie











2        A chocolate cake was missing from the refrigerator. Mum suspected one of her children took the chocolate cake. Below were their replies when Mum questioned each of them.
        Sean: I did not take the chocolate cake.
        Cindy: I didn\'t even know you had bought a cake!
        Jack: Sean took the chocolate cake!

If only one of them was telling the truth, who took the chocolate cake?

A        Sean
B        Cindy
C        Jack

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