Ravi is as much younger than Surya as he is older than Suresh If the sum of the ages of Surya and Su...........

Explanation:

Surya’s age – Ravi’s age = Ravi’s age – Surya’s age
Suresh’s age + Surya’s age = 2 Ravi’s age
Surya’s age + Suresh’s age = 50
Ravi’s age = 25; We can not find the difference between Surya and Ravi’s age