Question 67
HardOriginal questionA family has six members: S, T, U, V, W and X.
1. S is the mother of T and U.
2. V is the husband of S.
3. W is T's husband.
4. X is a child of W and T.
5. U is T's brother.
In the family of S, T, U, V, W and X, how many members are definitely male?
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
V and W are husbands, so they are male.
U is T's brother, so he is male.
S and T are female, and X's gender is never stated.
Definitely male: V, W and U, that is, 3.
Worth noting
4 counts X as a boy. 2 forgets that 'U is T's brother' fixes U's gender.
- Concept
- Counting only what the clues force
- Typical timeTypical
- 115 s
- Your timeYours
- —
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