The present age ratio of the mother to the daughter is 7 : 2. After 12 years, their ages will be in the ratio of 9 : 4. What is the current age of the mother?
Show answer & explanation
Correct answer: C
Explanation
The correctc answer is opiton 3 i.e. 42 years
Let present ages be 7x and 2x
(7x + 12) /(2x + 12)= 9/4
4(7x+12) = 9(2x+12)
10x = 60
x = 6
Mother’s age = 7 × 6 = 42