Manoj and Naveen started a partnership business investing some amount in the ratio of 5 ∶ 6. Sekar joined them after six months with an amount equal to that of Naveen. In what proportion should the profit at the end of one year be distributed among Manoj, Naveen and Sekar?
1
6 ∶ 3 ∶ 5
2
5 ∶ 6 ∶ 3
3
6 ∶ 5 ∶ 3
4
5 ∶ 3 ∶ 6