Profit Sharing Ratio Questions

Naveen, Suresh, and Tarun are partners sharing profits and losses in the ratio of $5:3:2$. Tarun retires from the firm, and his share is taken over by Naveen and Suresh in the ratio of $2:1$. Calculate the new profit-sharing ratio.

Abhiram and Ragini are partners sharing profits in the ratio of $3:2$. They admit Arun as a new partner for a $\frac{1}{5}\text{th}$ share in the future profits of the firm. Arun acquires this share equally from Abhiram and Ragini. Calculate the new profit-sharing ratio of Abhiram, Ragini, and Arun.