(i) There is a family with six persons A, Bharath, Chandu, Diana, E and Farah,
with two couples are married.
(ii) Diana is grandmother of A and mother of Bharath.
(iii) Chandu is wife of Bharath and mother of Farah.
(iv) Farah is the grand daughter of E.
Which of the following is true ?
A is brother of Farah
Bharath is sister of E
E is brother of Farah
None of these
The sex of A is not known.
So, neither (a) nor (b) is definitely true.
Clearly, Diana is the grandmother of A and Farah.
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