Maths Tricks

# Maths Tips Blood Relationship, Formulas, Problems

Here we are listed All the Important terms, Formulas, Problems of Blood Relationship on General Aptitude. Those Maths Tips will help you get maximum marks from this section. This file will be updated regularly, So please bookmark this page on your browser to get latest updates. You can also download the PDF file of the following below.

#### Important Terms

 Father’s side Paternal Mother’s side Maternal Mother’s or Father’s Father Grandfather (Maternal or Paternal) Mother’s or Father’s Mother Grandmother (Maternal or Paternal) Mother’s or Father’s Brother Uncle Mother’s or Father’s Sister Aunt Mother’s or Father’s Son Brother Mother’s or Father’s Daughter Sister Son’s Wife Daughter-in-law Daughter’s Husband Son-in-law Husband’s or wife’s Father Father-in-law Husband’s or wife’s Mother Mother-in-law Husband’s or wife’s Brother Brother-in-law Husband’s or wife’s Sister Sister-in-law Sister’s Husband Brother-in-law Brother’s Wife Sister-in-law Brother’s or Sister’s Son Nephew Brother’s or Sister’s Daughter Niece Uncle’s or Aunt’s Son or Daughter Cousin (He is considered as First Cousin) Son or Daughter of the First Cousin Cousin (He is mainly addressed as Second Cousin) Grandson’s or Grand Daughter’s Son Great Grand son Grandson’s or Grand Daughters’s Daughter Great Grand Daughter Father’s or Mother’s Aunt Grand Aunt or Grand Aunt Father’s or Mother’s Uncle Grand Uncle or Great Uncle Real Brother or Sister (Common Parents) Sibling

#### Problem:

1) A is B’s sister. C is B’s mother. D is C’s father. E is D’s mother. Then, how is A related to D?

Solution:

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

2) Pointing to a person, a man said to a woman, “His mother is the only daughter of your father.” How was the woman related to the person ?

Solution:

So, the person’s mother is woman’s sister

or the woman is person’s aunt.

3) A girl introduced a boy as the son of’ the daughter of the father of her uncle. The boy is girl’s

Solution:

Daughter of uncle’s father — Uncle’s sister — Mother;

Mother’s son — Brother

4) A woman introduces a man as the son of the brother of her mother. How is the man, related to the woman ?

Solution:

Brother of mother — Uncle

Uncle’s son — Cousin

5) Pointing to a lady, a man said, “The son of her only brother is the brother of my wife.” How is the lady related to the man ?

Solution:

Brother of my wife — My brother.in-law; Son of lady’s brother is the brother-in-law of the man.

So lady’s brother is man’s father-in-law

i.e., the lady is the sister of man’s father-in-law.

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