149 :- From the following information, calculate Operating Ratio:

150 :- Calculate Cost of Revenue from Operations from the following information :
Revenue from Operations Rs 12,00,000; Operating Ratio 75%; Operating Expenses Rs 1,00,000.
151 :- Calculate Operating Ratio from the following information :
Operating Cost Rs 6,80,000; Gross Profit 25%; Operating Expenses Rs 80,000.
152 :- (i) Cost of Revenue from Operations (Cost of Goods Sold) Rs 2,20,000; Revenue from Operations (Net Sales) Rs 3,20,000; Selling Expenses Rs 12,000; Office Expenses Rs 8,000; Depreciation Rs 6,000. Calculate Operating Ratio.
(ii) Revenue from Operations, Cash Sales Rs 4,00,000; Credit Sales Rs 1,00,000; Gross Profit Rs 1,00,000; Office and Selling Expenses Rs 50,000. Calculate Operating Ratio.