A family consists of 6 members P, Q , R, X, Y, Z. Q is the son of R but R is not mother of Q. P and R are married couple. Y is the brother of R, X is the daughter of P. Z is the brother of P. How many female members are there in the family?

A. 1

B. 2

C. 3

D. 4

Answer

1. Q is son of R. draw this one with thick line in different horizontal rows. Both are male so take as’+’.

2. Use <=> between P and R in same row, because they are couple.

3. Add Y to R with dotted line in same row.

4. Add X to P with thick line downwards to different row. Here, X is ‘–‘.

5. Add Z to P and take Z as ‘+’.

6. So, Q and X are brother & sister.

Two female members are there with ‘-‘ symbols i.e. P and X.

A. 1

B. 2

C. 3

D. 4

Answer

1. Q is son of R. draw this one with thick line in different horizontal rows. Both are male so take as’+’.

2. Use <=> between P and R in same row, because they are couple.

3. Add Y to R with dotted line in same row.

4. Add X to P with thick line downwards to different row. Here, X is ‘–‘.

5. Add Z to P and take Z as ‘+’.

6. So, Q and X are brother & sister.

Two female members are there with ‘-‘ symbols i.e. P and X.