Probability of getting one Red ball from a bag full of balls is 2/13

Probability of getting one Red ball from a bag full of balls is 2/13 and Black balls in the bag is 5. If white ball is 30% less than Brown ball and 40% more then the black balls then find the number of Red balls. (A) 4 (B) 5 (C) 6 (D) 10 (E) (…)