Current Ratio = Current AssetsCurrent Liabilities
Current Assets = Stock + Debtors + Cash at Bank
= Rs. (55,800 + 28,800 + 59,400)
= Rs. 1,44,000
Current Liabilities = Bill Payable + Creditors
= Rs. (18,000 + 54,000)
= Rs. 72,000
So, Current Ratio = 1,44,00072,000=21 = 2 : 1