1) Find the cost of: Rs. 7400, 10% stock at 15 discount. A) 6200 B) 6280 C) 6290 D) 7000 Answer: Option CExplanation:Cost of Rs. 100 stock = Rs. (100 - 15) = Rs. 85. Cost of Rs. 6400 stock = Rs.(85/100) x 7400=6290