Puzzle 48

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Solution : Wednesday


Explanation:

Yesterday was Wednesday. Which means today is Thursday. 

Thursday Archie tells truth. Which means Archie's statement -'I lied yesterday.' is true. This supports the statement ' Archie lies on Monday, Tuesday and Wednesday and tells truth on other days'.

Kent lies on Thursday. So his statement 'I lied yesterday' is a lie. Which means he did not lie on Wednesday. This supports the statement 'Kent lies on Thursday, Friday and Saturday and tells truth on other days' .

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