Blood Relations Practice Examples for Exams

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Relations from one generation to next:

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Different types of questions with explanation:

Type 1:

If A + B means A is the mother of B; A x B means A is the father of B; A $ B means A is the brother of B and A @ B means A is the sister of B then which of the following means P is the son of Q?

(A) Q + R @ P @ N       (B) Q + R * P @ N

(C) Q x R $ P @ N        (D) Q x R $ P $ N

Solution: (D)

Q x R = Q is the mother of R [-Q, ±R]

R $ P = R is the brother of P [+ R, ±P]

P $ N = P is the brother of N [+ P, ±N]

Therefore P is the son of Q.

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Type 2:

A has 3 children. B is the brother of C and C is the sister of D, E who is the wife of A is the mother of D. There is only one daughter of the husband of E. what is the relation between D and B?

Solution:With the chart

Therefore, D is a boy because there is only one daughter of E.

Hence, B is the brother of D.

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Type 3:

Pointing to a photograph, Rekha says to Lalli, "The girl in the photo is the second daughter of the wife of only son of the grandmother of my younger sister." How this girl of photograph is related to Rekha?

Solution:

First Method - By Generating Charts:

Second method:

1. Grandmother of younger sister of Rekha → Grandmother of Rekha
2. Wife of only son of grandmother → Mother of Rekha
3. Younger daughter of the mother → Younger sister.

Note: While solving the question (+) can be used for male and (-) can be used for female.