Olympiad Test: Blood Relation Test -1 - Class 7 MCQ

Because, wife of husband - herself; Brother of daughter - son. So, the man is Ritu’s son.

Grandmother is one female, mother is another, wives of four sons are the four females and two daughters of all four sons are eight females.
So, in all there are 1 + 1 + 4 + 8 = 14 females.

Shalu is Mona’s step-daughter, which means Shalu is the daughter of the other wife of Ravi.
So, Shalu is the daughter of Leena or Leena is the mother of Shalu.

Amit is the brother of Deepak and Deepak is the son of Chaya. So, Amit is the son of Chaya. Now, Binod is the father of Chaya.
So, Amit is the grandson of Binod.

Clearly, the only daughter of Mona’s father is Mona herself. So, Disha’s mother is Mona. Thus, Mona’s husband is the father of Disha.

M is the brother of N and B is the brother of N. So, M is the brother of B.

Daya is the son of Raj, who is the son of Rita. Thus, Daya is the son of Rita.

A is the sister of B and B is the daughter of C.
So, A is the daughter of C. Also, D is the father of C. So, A is the granddaughter of D.

Clearly, D is the brother of E and E is the daughter of B. So, D is the son of B. Also, A is the brother of B. So, A is the uncle of D.

E and D are children of A, and B is the brother of A. So, B is the Uncle of E.

Assume Y’s mother be S, and X’s mother be T, As S is the only daughter of T so, X is the son of T. The family tree can be drawn as follows.

So, X is maternal uncle of Y.

Only son of Manjula’s grandfather - Manjula’s father and Sagar’s brother’s father - Sagar’s father.
So, Manjula is Sagar’s sister.