Read the following passage and answer the question.

X, Y, Z were partners sharing profits and losses in the ratio of 1:2:3. Z retired and his capital after making all adjustments is ₹2,20,000. X & Y agreed to pay him ₹2,50,000 in full settlement of his claim. The new profit-sharing ratio is 1:3.

What is gain of Y partner?

5/12

The correct answer is option 2- 5/12.

Gain of partner = New share - Old share
Gain of Y  = 3/4 - 2/6
                = (9-4)/12
                = 5/12