X,Y & Z are partners in the firm sharing profits and losses in the ratio of 3:2:1. Z retires from the firm on 31st March 2021. On the date of retirement of Z, a debit balance of profit & loss A/c of ₹36000 appeared in the books of account. What will be the journal entry for this?

X's Capital A/c    Dr.. ₹18000
Y's Capital A/c    Dr.. ₹12000
Z's Capital A/c    Dr.. ₹6000 
    To P& L A/c                      ₹36000
(P & L balance distributed)

As, the debit balance of profit and loss account is a loss for the firm that's why it is debited to partners' capital A/c.
X's Capital A/c Dr.. ₹18000
Y's Capital A/c Dr.. ₹12000
Z's Capital A/c  Dr.. ₹6000
   To P& L A/c                 ₹36000
(P & L balance distributed)