Which date in the month of July is definitely Harish mother’s birthday?
I. Harish correctly remembers that his mother’s birthday is after 15th but before 19th of July.
II. Harish’s brother correctly remembers that their mother’s birthday is after 17th but before 20th of July.
From I, Mother’s birthday may be on 16, 17, and 18 From II, Mother’s birthday may be on 18, 19 From I and II: Mother’s birthday is on 18th of July.
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