Quick Assets = Current Assets - Inventory:
\[
{Quick Assets} = rupee 60,000 - {Inventory}
\]
Quick Ratio = Quick Assets / Current Liabilities:
Using the given quick ratio of 2.5 : 1:
\[
{Quick Assets} = 2.5 \times {Current Liabilities}
\]
Current Liabilities:
From the current ratio of 4 : 1:
\[
{Current Liabilities} = \frac{{Current Assets}}{4} = \frac{rupee 60,000}{4} = rupee 15,000
\]
Quick Assets:
\[
{Quick Assets} = 2.5 \times rupee 15,000 = rupee 37,500
\]
Inventory:
\[
{Inventory} = {Current Assets} - {Quick Assets} = rupee 60,000 - rupee 37,500 = rupee 22,500
\]