Question

What is the present age of Tanya?
I. The ratio between the present ages of Tanya and her brother Rahul is 3 : 4 respectively.
II. After 5 years the ratio between the ages of Tanya and Rahul will be 4 : 5.
III. Rahul is 5 years older than Tanya.

• A. I and II only
• B. II and III only
• C. I and III only
• D. All I, II and III
• E. Any two of the three

Answer 1

Answer: (E)

Any two of the three

I. Let the present ages of Tanya and Rahul be 3x years and 4 years.
II. After 5 years. (Tanya's age) : (Rahul's age) = 4 : 5.
III. (Rahul's age) = (Tanya's age) + 5
From I and II, we get 3x+54x+5=453x+54x+5=45 Correct answer is (E).