(i) There is a group of six persons A, B, C, D, E and F from a family. They are Psychologist, Manager, Lawyer, Jeweller, Doctor and Engineer.
(ii) The doctor is the grandfather of F who is a Psychologist.
(iii) The manager D is married to A.
(iv) C, the Jeweller is married to the Lawyer.
(v) B is the mother of F and E.
(vi) There are two married couples in the family.
What is the profession of E ?
Answer: E
Given F is a psychologist.
B is the mother of F and E is the brother or sister of F.
There are only two married couples in the family. Since, D is married to A, so C, the jeweller, who is married to a lawyer, will be married to B.
Again, the Manager D is married to A means A is the doctor and Grandfather of F and E.
Also, no one else is an Engineer. So, E must be an Engineer.
Clearly, E is an Engineer. So, the answer (e).
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How is A related to E ?
Answer: D
Given F is a psychologist.
B is the mother of F and E is the brother or sister of F.
There are only two married couples in the family. Since, D is married to A, so C, the jeweller, who is married to a lawyer, will be married to B.
Again, the Manager D is married to A means A is the doctor and Grandfather of F and E.
Also, no one else is an Engineer. So, E must be an Engineer.
Clearly, A is the grandfather of F and E is the brother or sister of F.
So, A is the grandfather of E. Hence, the answer is (d).
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How many male members are there in the family ?
Answer: E
Given F is a psychologist.
B is the mother of F and E is the brother or sister of F.
There are only two married couples in the family. Since, D is married to A, so C, the jeweller, who is married to a lawyer, will be married to B.
Again, the Manager D is married to A means A is the doctor and Grandfather of F and E.
Also, no one else is an Engineer. So, E must be an Engineer.
Since nothing is mentioned about E and F, so the number of males cannot be determined.
Hence, the answer is (e).
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What is the profession of A ?
Answer: A
Given F is a psychologist.
B is the mother of F and E is the brother or sister of F.
There are only two married couples in the family. Since, D is married to A, so C, the jeweller, who is married to a lawyer, will be married to B.
Again, the Manager D is married to A means A is the doctor and Grandfather of F and E.
Also, no one else is an Engineer. So, E must be an Engineer.
Clearly, A who is the grandfather of D is the doctor. Hence, the answer is (a)
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Which of the following is one of the pairs of couples in the family
Answer: C
Given F is a psychologist.
B is the mother of F and E is the brother or sister of F.
There are only two married couples in the family. Since, D is married to A, so C, the jeweller, who is married to a lawyer, will be married to B.
Again, the Manager D is married to A means A is the doctor and Grandfather of F and E.
Also, no one else is an Engineer. So, E must be an Engineer.
Clearly, D, the manager is married to A. So, AD is one of the couples in the family.
Hence, the answer is (c).
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From amongst six days A, B, C, D, E, and F and five girls P, Q, R, S and T, a team of six is to be selected under the following coditions :
(i) A and D have to be together.
(ii) C cannot go with S.
(iii) S and T have to be together.
(iv) B cannot be teamed with E.
(v) D cannot go with P.
(vi) B and R have to be together.
(vii) C and Q have to be together.
If there be five boys in the team, the lone girl member is :
Answer: B
In a term of six if five boys are to be selected then both A and D together are selected.
If C is selected, a girl Q will be selected.
From B and E, one has to be selected. So, we select E because B will be accompanied by a girl.
The fifth boy will be F. So, the only girl will be Q in the team A C D E F G.
Hence, the answer is (b).
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If including P, the team has three girls, the members are :
Answer: A
If P is included, D and hence A cannot be included.
If Q is selected, C has to be selected and so S cannot be selected.
T goes with S. So, T is also not selected.
The third girl can be R. With R, B will be selected but with B, E cannot be selected. So, the sixth member can be F only. i.e, the team become P Q C R B F. So, the answer is (a).
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If the team including C consists of four boys, the members of the team other than C are :
Answer: B
If team contains C, Q will be include. If another girl include is R, B will be there and hence E cannot be there.
A and D have to be together. So, they are also included and only F can be excluded. Thus, the team is C Q R B A D.
So, the answer is (b).
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If four members including E have to be boys, the members other than E are :
Answer: B
If E is included, B cannot be included. A and D have to be together. So, they are both included. Without B, R will not be there. With D, P cannot be there. So, two girls together can be only S and T. If S is there, C cannot be there. So the fourth boy can be F alone.
Thus, the team becomes E A D S T F. So, the answer is (b).
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If four members have to be girls, the members of the team are
Answer: B
n four girls, S and I are taken together. With S, C cannot be there. So, Q will not be there.
If P is included, D and hence A cannot be there.
If R is included, B will be there and hence E cannot be there.
So, only F can be there.
Thus, the team is S T P R B F. So, the answer is (b).
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