400 apples were bought at INR 1200 per hundred and were sold at a profit of 7800. Find the selling price (in INR) per dozen of apples.A158B168C183D178Answer: B. 168 Read Explanation: Cost price per 100 apples = ₹1200So, cost price per apple = (1200 ÷ 100 = ₹12)For 400 apples:Total cost price = (400 × 12 = ₹4800)Given profit = ₹7800Total selling price = (4800 + 7800 = ₹12,600)Selling price per apple = (12600 ÷ 400 = ₹31.50)Selling price per dozen (12 apples):31.5 × 12 = 378Selling price per dozen apples = ₹378 Read more in App