Question: A father is 7 yr older than the mother and the mother’s age now is 3 times the age of the daughter. The daughter is 10 yr old now. What was the father’s age when the daughter was born?
Options:
A) 27 yr
B) 37 yr
C) 16 yr
D) 40 yr
Show Answer
Answer:
Correct Answer: A
Solution:
- Daughter’s present age = 10 yr
Mother’s age $ =3\times 10=30yr $
$ \therefore $ Father’s age $ =30+7=37,yr $
Hence, 10 yr before father’s age
$ =37-10=27,yr. $