Blood Relation Coded


Blood Relations - Concepts
Class - 7th Reasoning Proficiency Subjects
 
 
Concept Explanation
 

Blood Relation Coded

Blood Relation Coded : In such questions, the relationships are represented by certain specific codes or symbols such as large + , - , times , div , ast ,star , $, @,square ,circ ,pounds , etc.

You are required to analyse some given codes to determine the relationship between a set of persons, or to express a given relationship in the coded form.

Illustration: If A $ B means A is the father of B, A large bigstar B means A is the mother of B, A @ B means A is the wife of B, then which of the following means M is the grandmother of N ?

(a) M large bigstar T $ N @ R                  (b) M large bigstar T $ R @ N           (c) M large bigstar R $ T @ N      (d) M large bigstar R @ T @ N                 (e) None of these

Answer: A

Solution:  M is the grandmother of N means M is the mother of the father ( say T ) of N i.e. M large bigstar T $ N. SO, the answer is (a).

Illustration: Read the following information carefully to answer these questions:

(i) A $ B means A is mother of B,

(ii) A # B means A is father of B,

(iii) A @ B means A is husband of B,

(iv) A % B means A is daughter of B.

Question 1. P @ Q $ M # T indicates what relationship of P with T ?

(a) Paternal grandmother      (b) Maternal grandmother      (c) Paternal grandfather  (d) Maternal grandfather       (e) None of these

Answer : C

Solution: (c) P @ Q M # T meaans P is the husband of Q who is the mother of M who is the father of T i.e. P is the father of T,s father i.e. P is T,s paternal grandfather.

Question 2. Which of the following expressions indicates R is the sister of H ?

(a) H $ D @ F # R         (b) R % D @ F $ H        (c) R $ D @ F # H    (d) H % D @ F $ R       (e) None of these 

Answer: B

Solution: (b) R is the sisteer of H means R is the daughter of the father of H i.e.R is the daughter of the husband (say D) of the mother (say F) of H i.e. R % D @ F $ H

Question : -  A $ B means B is mother of A

A # B means B is father of A

A :- B means B is sister of A

A X B means B is brother of A

A + B means B is daughter of A

A - B means B is son of A

(i) If T - P :- Q is given, how is Q related to T ?

    (a)  Nephew            (b) Brother                 (c) Aunt             (d)  Daughter

        

Solution : - Q is Daughter of T 

(ii)  If P # Q + R is given, which of the following is true ?

(a)  P and R are sisters                 (b) P is mother of Q                (c)  R is sister of P

(d)  P is brother of R.

Solution : - R is sister of P

   

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Read the following information carefully and answer the questions given below:

A + B means A is the son of B, A - B means A is the wife of B, A large times B means A is the brother of B, A large div B means A is the mother of B and A - B means A is the sister of B.

What does  P large times R large div Q mean ?

Right Option : C
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Explanation
Question : 2

Read the following information carefully to answer the question:

(i) A $ B means A is mother of B,

(ii) A # B means A is father of B,

(iii) A @ B means A is husband of B,

(iv) A % B means A is daughter of B.

If Seema % Ram @ Aarti, Than how Aarti related to Seema ?

Right Option : C
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Explanation
Question : 3

Read the following information carefully and answer the questions given below:

A + B means A is the son of B, A - B means A is the wife of B, A large times B means A is the brother of B, A large div B means A is the mother of B and A - B means A is the sister of B.

What does P = R large div Q mean ?

Right Option : A
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Explanation
 
 
 
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