1. Brother
2. Uncle
3. Father
4. Grandfather
Father
1. Mother and son
2. Grandmother and son
3. Aunt and Nephew
4. None of these
Aunt and Nephew
1. Nephew
2. Sister
3. Wife
4. Niece
Niece
1. Father
2. Son
3. Brother
4. Cousin
Father
1. Brother
2. Cousin
3. Son
4. Grandson
Grandson
1. Father
2. Grandfather
3. Husband
4. Father-in-Law
Father-in-Law
1. 3
2. 6
3. 9
4. 12
9
1. Father
2. Cousin
3. Data inadequate
4. Brother
Brother
1. Niece
2. Daughter
3. Wife
4. None of these
None of these
1. Sister-in-law
2. Wife
3. Either (a) or (b)
4. Neither (a) nor (b)
Wife