logical reasoning : : blood relations
 
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Important Formulas
  Exercise
   exercise1
   Exercise 2
1.

'P*Q' means 'P is brother of Q'.

'P-Q' means 'P is sister of Q'.

'P%Q' means 'P is father of Q'

'P+Q' means 'P is mother of Q'.

Which of the following means 'D is nephew of R'?

 
A.

D*M%R

B.

R-M%D

C.

R-M%D*T

D.

R*M+D

   
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Answer: C
Explanation :

From option (c),

Hence, D is the nephew of R.







 
2.

Bhavana's mother is the sister of Dolly's brother. What relation Dolly's brother could have with Bhavna?

 
A.

Brother-in-law of the mother

B.

Cousin

C.

Maternal Uncle

D.

Uncle

   
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Answer: C
Explanation :

Hence, from the above fig, it is clear that Dolly's brother is the maternal uncle of Bhavna.







 
3.

Pointing a girl in the market, Manoj said, "She is the daughter of my grandfather's only son". How is Manoj related to that girl?

 
A.

Father

B.

Brother

C.

Uncle

D.

Granddaughter

   
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Answer: B
Explanation :

Hence, from the above fig, it is clear that Manoj is brother of that girl.







 
4.

Introducing Amrita, Raj said, "Her mother is the only daughter of my mother-in-law". How is Raj related to Amrita?

 
A.

Husbend

B.

Father

C.

Wife

D.

Uncle

   
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Answer: B
Explanation :

Hence, from the above fig, it is clear that Raj is the father of Amrita.







 
5.

If 'A*B' means 'A is father of B'.

If 'A+B' means 'A is wife of B'.

If 'A%B' means 'A is daughter of B'

If 'A-B' means 'A is son of B'.

Which of the following relations are true based upon the relations given in equation 'A-B*C+D-E'?

 
A.

C is mother of A

B.

E is wife of B

C.

D is brother of A

D.

E is mother-in-law of C

   
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Answer:
Explanation :

A-B*C+D-E

So, none is true.







 
6.

If 'A*B' means 'A is father of B'.

If 'A+B' means 'A is wife of B'.

If 'A%B' means 'A is daughter of B'

If 'A-B' means 'A is son of B'.

What will come in the place of the question mark, to establish that Q is the nephew of T in the expression 'Q?R%S*T'?

 
A.

+

B.

*

C.

-

D.

%

   
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Answer: C
Explanation :

On putting the sign(-) in place of question mark(?).

Clearly, Q is the nephew of T.







 
7.

If 'A*B' means 'A is father of B'.

If 'A+B' means 'A is wife of B'.

If 'A%B' means 'A is daughter of B'

If 'A-B' means 'A is son of B'.

How is L related to Q in the expression L%M*O-P%Q?

 
A.

Granddaughter

B.

Niece

C.

Daughter-in-law

D.

Daughter

   
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Answer: A
Explanation :







 
8.

If 'A-B' means 'A is father of B'.

If 'A+B' means 'A is daughter of B'.

If 'A%B' means 'A is son of B'.

If 'A*B' means 'A is wife of B'.

In the expression 'P%Q-T' how is T related to P'?

 
A.

Mother

B.

Sister

C.

Brother

D.

Either brother or sister

   
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Answer: D
Explanation :

Hence, T is either brother or sister of P.







 
9.

If 'A-B' means 'A is father of B'.

If 'A+B' means 'A is daughter of B'.

If 'A%B' means 'A is son of B'.

If 'A*B' means 'A is wife of B'.

In the expression 'P+Q*R' how is R related to P?

 
A.

Daughter

B.

Brother

C.

Father

D.

Sister

   
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Answer: C
Explanation :

Hence, R is the father of P.







 
10.

(1) 'P*Q' means 'P is brother of Q'

(2) 'P%Q' means 'P is sister of Q'

(3) 'P+Q' means 'P is mother of Q'

(4) 'P-Q' means 'P is father of Q'

Which of the following means 'R is granddaughter of B'?

 
A.

R%M+K-B

B.

K+M%R-B

C.

B-T+R%D

D.

B-T+R

   
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Answer: C
Explanation :

From Option(C),

Hence, R is the granddaughter of B.







 

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