In a bag containing only white and black balls, half the no of white balls is equal to one third of the no. of black balls. twice the total no. of balls exceeds there times the no. of black balls by 4. Hence the no. of balls of each type the bag contains is _______

Question

$(A) \; White\;balls = 12; black\;balls=8 \\(B)\;White\;balls = 8; black\;balls=12 \\(C)\; White\;balls = 14; black\;balls=6 \\(D)\;White\;balls = 6; black\;balls=12 $