Cost of Revenue from Operations is Rs 3,00,000 Revenue from Operations is 5,00,000. Operating Expenses are Rs 1,00,000. Operating Ratio would be:

20% 60% 80% 90%

80%

Operating Ratio = Operating Cost/ Revenue from Operation * 100                          = (3,00,000+1,00,000)*100/ 5,00,000                          = 80%