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Mohan correctly remembers that his father's birthday is before 20th January but after 16th January whereas his sister correctly remembers that their father's birthday is after 18th January but before 23rd January. On which date in January is definitely their father's birthday?
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- 18th
- 19th
- 20th
- Data inadequate
- None of these
Correct Option: B
According to question,
Days by Mohan, [17th, 18th or 19th] January
Days by sister, [19th, 20th, 21st or 22nd] January.
Required days is 19th January as it is common in both the groups.
