Kumar, Lakshya, Manoj, and Naresh are partners sharing profits in the ratio of $3:2:1:4$. Kumar retires and his share is acquired by Lakshya and Manoj in the ratio of $3:2$. The gaining ratio of the remaining partners (Lakshya, Manoj, and Naresh) is:

Gaining ratio is the ratio in which the remaining partners acquire the outgoing partner's share.From the problem description:Kumar retires.Kumar's share is explicitly acquired only by Lakshya and Manoj in the ratio of $3:2$.Naresh acquires nothing ($0$ share) from Kumar.Therefore, the relative gaining shares among Lakshya, Manoj, and Naresh are in the proportion of $3:2:0$.