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Pratap correctly remembers that his mother's birthday is before twenty third April but after nineteenth April, whereas his sister correctly remembers that their mother's birthday is not on or after twenty second April. On which day in April is definitely their mother's birthday?

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Pratap correctly remembers that his mother's birthday is before twenty third April but after nineteenth April, whereas his sister correctly remembers that their mother's birthday is not on or after twenty second April. On which day in April is definitely their mother's birthday? Answer: Twentieth or Twenty first

The birthday is after April 19 and before April 23, giving possible dates of April 20, 21 and 22. The sister excludes April 22 because the birthday is not on or after that date. Therefore, the birthday can only be April 20 or April 21, so the third option is correct.

Question context

This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.