At present the age of mother is 5 times that of the age of her daughter. Nine years hence the mothers age would be three times that of her daughter. Find the present age of daughter .
A9
B7
C15
D11
Answer:
A. 9
Read Explanation:
Present age of daughter = n(y-1)(y-x)
= 9(3-1)/(5-3)
=(9 x 2) /2
= 9