A is younger than B by 7 years. If their ages are in the respective ratio of 7 : 9 then how old is A?
Answer & explanation
Correct answer: option 3
Ratio of age of A & B = 7R : 9R
According to question,
⇒ 9R – 7R = 7
⇒ 1R = 3.5
Age of A = 7R = 7 × 3.5 = 24.5 years