A man and his wife have three sons, and every of the sons has a sister. How many are there in the family ?
Option:
A. 8
B. 10
C. 6
D. 12
Answer: C . 6
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Justification:
There is only 1 girl since it says that every sons has 'a' sister, if there's only 1 girl. she will be a sister to all the three sons.
so 3 sons + 1 sister + both the parents = 6 members in the family.
