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Blood Relations

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Question : 20 of 28

Marks: +1, -0

Six Persons are seen together in a group. They are

A, B, C, D, E

F . B

D,

D

is not brother of B.

{F}

{B} . {C}

{A}

are married together.

{F}

{C},

{C}

is not mother of

{F} . {E}

{A}

. The number of female member in the group is

1
2
3
4

Solution:

Concept:

Identify the gender of each person from given relations.

Explanation:

•

B

is brother of

D

, but

D

is not brother of

B

⇒

D

is female.

•

F

is brother of

B

⇒

F

and

B

are male.

•

C

and

A

are married,

F

is son of

C

, but

C

is not mother of

F

⇒

C

is father (male), so

A

is wife (female).

•

E

is brother of

A

⇒

E

is male.

• Thus, females:

D

and

A

→ 2.

Answer:

2

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