Directions: Read the following information carefully and answer the questions given beside.
 
A,B,C and D are four males who are married to four females namely P,Q,R and S not necessarily in the same order. U,W,X,Y and Z are five children who belong to these four couples.

B is married to S, who does not have any child.

U is the only son of Q, who is not married to A.

W and X are siblings and are of different genders.

C is the father of two children.

Y is the daughter of R, who does not have any other child.

A has one daughter X.

Z is the sister of U.
1
How many boys are there in the group of children?
» Explain it
B
There are only two boys in the group of children.

Hence option B is correct.

Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Common Explanation:

Reference:

B is married to S, who does not have any children.
U is the only son of Q, who is not married to A.
A has one daughter X, who is a single child.
 
Inference:

We will keep the second hint in mind and use it further.

Following two cases are possible for Q. Q could be wife of either C or D.

Case-1
 
Husband Wife Son Daughter
A Q   X
B S - -
C Q U  
D      
 
Case-2
 
Husband Wife Son Daughter
A Q   X
B S - -
C      
D Q U  
 
Reference:

Y is the daughter of R, who does not have any other child.
W and X are siblings and are of different genders.
 
Inference:

As W and X are siblings and of different genders, thus W must be the son of A.

Therefore, P must be the wife of A in both the cases.

Case-1

R must be married to D.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U  
D R - Y
 
Case-2

R must be married to C.
 
Husband Wife Son Daughter
A P W X
B S - -
C R - Y
D Q U  
 
Reference:

C is the father of two children.
Z is the sister of U.

Inference:

Case-1

Therefore Z is the daughter of C and Q.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Case-2 fails as C can’t have two children as per the given information.
2
Who among the following is the father of Z?
» Explain it
C
C is the father of Z.

Hence option C is correct.

Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Common Explanation:

Reference:

B is married to S, who does not have any children.
U is the only son of Q, who is not married to A.
A has one daughter X, who is a single child.
 
Inference:

We will keep the second hint in mind and use it further.

Following two cases are possible for Q. Q could be wife of either C or D.

Case-1
 
Husband Wife Son Daughter
A Q   X
B S - -
C Q U  
D      
 
Case-2
 
Husband Wife Son Daughter
A Q   X
B S - -
C      
D Q U  
 
Reference:

Y is the daughter of R, who does not have any other child.
W and X are siblings and are of different genders.
 
Inference:

As W and X are siblings and of different genders, thus W must be the son of A.

Therefore, P must be the wife of A in both the cases.

Case-1

R must be married to D.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U  
D R - Y
 
Case-2

R must be married to C.
 
Husband Wife Son Daughter
A P W X
B S - -
C R - Y
D Q U  
 
Reference:

C is the father of two children.
Z is the sister of U.

Inference:

Case-1

Therefore Z is the daughter of C and Q.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Case-2 fails as C can’t have two children as per the given information.
3
Who among the following is a couple?
» Explain it
A
A-P is a couple.

Hence option A is correct.

Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Common Explanation:

Reference:

B is married to S, who does not have any children.
U is the only son of Q, who is not married to A.
A has one daughter X, who is a single child.
 
Inference:

We will keep the second hint in mind and use it further.

Following two cases are possible for Q. Q could be wife of either C or D.

Case-1
 
Husband Wife Son Daughter
A Q   X
B S - -
C Q U  
D      
 
Case-2
 
Husband Wife Son Daughter
A Q   X
B S - -
C      
D Q U  
 
Reference:

Y is the daughter of R, who does not have any other child.
W and X are siblings and are of different genders.
 
Inference:

As W and X are siblings and of different genders, thus W must be the son of A.

Therefore, P must be the wife of A in both the cases.

Case-1

R must be married to D.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U  
D R - Y
 
Case-2

R must be married to C.
 
Husband Wife Son Daughter
A P W X
B S - -
C R - Y
D Q U  
 
Reference:

C is the father of two children.
Z is the sister of U.

Inference:

Case-1

Therefore Z is the daughter of C and Q.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Case-2 fails as C can’t have two children as per the given information.
4
Four of the following five are alike in a certain way and thus form a group. Which of the following does not belong to the group?
» Explain it
E
W is the odd one out as he is the only male among he given options.

Hence option E is correct.

Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Common Explanation:

Reference:

B is married to S, who does not have any children.
U is the only son of Q, who is not married to A.
A has one daughter X, who is a single child.
 
Inference:

We will keep the second hint in mind and use it further.

Following two cases are possible for Q. Q could be wife of either C or D.

Case-1
 
Husband Wife Son Daughter
A Q   X
B S - -
C Q U  
D      
 
Case-2
 
Husband Wife Son Daughter
A Q   X
B S - -
C      
D Q U  
 
Reference:

Y is the daughter of R, who does not have any other child.
W and X are siblings and are of different genders.
 
Inference:

As W and X are siblings and of different genders, thus W must be the son of A.

Therefore, P must be the wife of A in both the cases.

Case-1

R must be married to D.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U  
D R - Y
 
Case-2

R must be married to C.
 
Husband Wife Son Daughter
A P W X
B S - -
C R - Y
D Q U  
 
Reference:

C is the father of two children.
Z is the sister of U.

Inference:

Case-1

Therefore Z is the daughter of C and Q.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Case-2 fails as C can’t have two children as per the given information.
5
Y is the child of whom among the following?
» Explain it
B
Y is the child of D.

Hence option B is correct.

Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Common Explanation:

Reference:

B is married to S, who does not have any children.
U is the only son of Q, who is not married to A.
A has one daughter X, who is a single child.
 
Inference:

We will keep the second hint in mind and use it further.

Following two cases are possible for Q. Q could be wife of either C or D.

Case-1
 
Husband Wife Son Daughter
A Q   X
B S - -
C Q U  
D      
 
Case-2
 
Husband Wife Son Daughter
A Q   X
B S - -
C      
D Q U  
 
Reference:

Y is the daughter of R, who does not have any other child.
W and X are siblings and are of different genders.
 
Inference:

As W and X are siblings and of different genders, thus W must be the son of A.

Therefore, P must be the wife of A in both the cases.

Case-1

R must be married to D.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U  
D R - Y
 
Case-2

R must be married to C.
 
Husband Wife Son Daughter
A P W X
B S - -
C R - Y
D Q U  
 
Reference:

C is the father of two children.
Z is the sister of U.

Inference:

Case-1

Therefore Z is the daughter of C and Q.
 
Husband Wife Son Daughter
A P W X
B S - -
C Q U Z
D R - Y
 
Case-2 fails as C can’t have two children as per the given information.