A and B started a partnership business investing some amount in the ratio of 7 : 5. C joined then after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed among A, B and C?	Pick:
A) 4 : 9 : 8 B) 5 : 7 : 4 C) 6 : 10 : 5 D) 14 : 10: 5 E) 5 : 4 : 8
Let the initial investments of A and B be 7x and 5x.   A : B : C = (7x x 12) : (5x x 12) : (5x x 6) = 84 : 60 : 30   = 14 : 10 : 5.   ANSWER :14 : 10: 5
<result>D</result>
A and B started a partnership business investing some amount in the ratio of 7 : 5. C joined then after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed among A, B and C?