Question:
Two years ago, the ratio of the ages of Sonu and Meenu was 5:7 respectively. Two years hence the ratio of their ages will be 7:9 respectively, what is the present age of Meenu
A16 years
B14.5 years
C12 years
D10 years
Answer:
A. 16 years
Explanation:
Two years ago the ages of Sonu and Meenu are 5x and 7x respectively. After 2 years, (5x+4) / (7x + 4) = 7/9 45x+36 = 49x+28 4x = 8 x = 2 Present age of Meenu = 7x+2 = 14 +2 = 16 years.