A and B started a partnership business investing some amount in the ratio of 4 : 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?
Answers:
A) 4 : 9 : 8  B) 5 : 7 : 4  C) 6 : 10 : 5  D) 7 : 9: 4  E) 8 : 10 : 5
Let the initial investments of A and B be 4x and 5x.   A : B : C = (4x x 12) : (5x x 12) : (5x x 6) = 48 : 60 : 30   = 8 : 10 : 5.   ANSW8 : 10 : 5R :8 : 10 : 5
<result>E</result>
A and B started a partnership business investing some amount in the ratio of 4 : 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?