Tips & Tricks Let four years ago mother’s age be 6x and daughter age be x. ⇒ Present age of mother = 6x + 4 ⇒ Present age of daughter = x + 4 Sum of present ages of mother and daughter is 50 years, ⇒ 7x + 8 = 50 ⇒ x = 6 ∴ Present age of mother = 6x + 4 = 40 years