Let Viru’s present age be x years.
Sudhir’s present age is 5 more than three times the age of Viru.
∴ Sudhir’s present age = (3x + 5) years
Anil’s age is half the age of Sudhir.
∴ Anil’s present age = \(\left(\cfrac{3x+5}{2}\right)\)years
Since, the ratio of the sum of Sudhir’s and Viru’s age to three times Anil’s age is 5:6.
∴ 2 × (24x + 30) = 45x + 75
∴ 48x + 60 = 45x + 75
∴ 48x – 45x = 75 – 60
∴ 3x = 15
∴ x = \(\cfrac{15}{3}\)
∴ x = 5
∴ Viru’s present age is 5 years.