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Reasoning

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Miscellaneous Sets

Question
11 out of 45
 

Aditya correctly remembers that his elder brother’s birthday is before 21st December but after 17th December whereas his sister correctly remembers that his brother birthday is after 19th December but before 26th December. Which date was definitely their brother’s birthday.

A 20 Dec.
B 20 Dec or 21 Dec
C 19 Dec or 20 Dec
D 19 Dec
E None of these
Ans. A from Aditya birthday = 18,19,20

From his sister = 20, 21, 22, 23, 24, 25

Common factor = 20

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