Comprehension Passage
Study the following information carefully and answer the questions given below:
There are five families A,B,C,D and E.. Each family has six members grandfather, grandmother, father, son, and daughter. Age of the father is always greater than the age of mother.
| Families | Age of grandfather (years) | Sum of age of father and grand father (years) | Sum of age of father and mother (years) | Sum of age of grandmother and mother (years) | Ratio of age of son and daughter (years) |
| A | 85 | 140 | 105 | 130 | 10 : 9 |
| B | 80 | 128 | 90 | 117 | 11 : 12 |
| C | 78 | 123 | 89 | 120 | 9 : 10 |
| D | 84 | 136 | 100 | 128 | 12 : 13 |
| E | 80 | 128 | 92 | 122 | 10 : 11 |
Note -
1. Age of the son of A is 1/4th of the age of grandmother.
2. Age of the daughter of B is half of the age of father.
3. Age of the son of D is half of the age of the mother.
4. Age of the daughter of E is half of the age of the mother.
5. Sum of the ages of son of B and C is 40 years.
Find which one is true.
1
Sum of ages of son and daughter is 45 years of family E.
2
The difference between the age of father and mother of family D is 6 years.
3
Difference of age of grandmother and grandfather of family C is 4 years.
4
Sum of the ages of grandmother and grandfather of family B is 54 years.
5
None of these.