Mohan’s share in profits = \( \frac{1}{5} \)
Goodwill premium brought by Mohan = ₹ 2,00,000
This ₹ 2,00,000 is for his \( \frac{1}{5} \) share in firm’s goodwill.
So, Total Goodwill of the firm = \( \frac{2,00,000}{1/5} = 2,00,000 \times 5 = ₹ 10,00,000 \)
Final Answer: ₹ 10,00,000