TechM Fresher Assessment – Online
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Mahindra
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Section 1 o

Question

TechM Fresher Assessment – Online
Tech
Mahindra
23
18
24
19
21
22
20
Section 1 of 3 Aptitude
Revisit
Question # 27
Which option depicts one of the cases of Arthur, Bob and Charles being Truthful, Liar and Alternator(the one who
alternates between a lie and a truth in no order), based on the following scenario –
Arthur says, “I am the truthful one” while, Bob says, “Arthur is the truthful one”, and Carl says, “I am the alternator”.​

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Alice 2 months 2021-08-06T07:13:22+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-08-06T07:14:33+00:00

    Given : Arthur says. “I am the truthful one while, Bob says. “Arthur is the truthful one”, and Carl says I am the alternator

    To Find : Who is who

    Solution:

    Let say Arthur is Truthful

    Arthur says. “I am the truthful one  which is Truth

    Bob says. “Arthur is the truthful one  Truth  Hence Bob must be alternator

    Carl Says – I am alternator  – LIE  hence Carl is Lier

    Satisfy all condition.

    Let say Arthur is Liar

    Arthur says. “I am the truthful   Which is Lie

    Bob says. “Arthur is the truthful one   again a lie Hence Bob is alternator

    Carl Says – I am alternator   which must be Truth but can not be

    Hence this case not possible

    Let say Arthur is alternator

    case 1 : Bob is Truthful

    Bob says. “Arthur is the truthful one”   is a Lie  Hence not possible

    Case 2 : Carl  is Truthful

    Carl Says – I am alternator  which is not possible

    Hence this case not possible

    So

    Arthur is Truthful

    Arthur says. “I am the truthful one  which is Truth

    Bob says. “Arthur is the truthful one  Truth  Hence Bob must be alternator

    Carl Says – I am alternator  – LIE  hence Carl is Liar

    Satisfy all condition.

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