JELLUIT 013 Aptitude
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Question # 26
Revisit
Choose the best option
O Aron
Aron, Melinda, and Christopher were arrested by the police in an online scam. During prosecution, they made the
following statements. If only one of them is involved in the scam and only one person speaks the truth, who is the
guilty one?
Aron said, "I am not a part of this scam" while, Melinda said, "I am innocent" and Christopher said, "Melinda is
guilty":
Melinda
O Christopher
Both Melinda and Christophe
Answers
Given :
Aron said, "I am not a part of this scam"
Melinda said, "I am innocent"
Christopher said, "Melinda is guilty":
only one of them is involved in the scam and only one person speaks the truth,
To Find : who is the guilty one?
Explanation:
Aron said, "I am not a part of this scam"
Melinda said, "I am innocent"
Christopher said, "Melinda is guilty":
Only one of them speak truth and only one is guilty
Case 1
Assume Aron speaks truth and other two lies.
Aron said, "I am not a part of this scam" => aron is not gulity
Melinda said, "I am innocent" => Melinda is guilty
Christopher said, "Melinda is guilty": => Melinda is not guilty
Hence contradicts. ( so Not Possible )
case 2 :
Assume Melinda speaks truth and other two lies.
Melinda said, "I am innocent" => Melinda is not guilty
Aron said, "I am not a part of this scam" => Aron is guilty
Christopher said, "Melinda is guilty": => Melinda is not guilty
Hence Aron is guilty
Case 3
Assume Christopher speaks truth and other two lies.
Christopher said, "Melinda is guilty": => Melinda is guilty
Aron said, "I am not a part of this scam" => Aron is guilty
contradicts Hence not possible,
So Aron is Guilty and Melinda speaks truth.
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