1 Answers

Option 3 : 23.46%

Initially for 20 litre mixture,

⇒ Milk : Water = 16 : 4

For 19 litre mixture,

⇒ Milk = 19 × 80/100 = 15.2

⇒ Water = 19 – 15.2 = 3.8

After replacement,

⇒ Milk = 15.2 + 1 = 16.2

⇒ Water = 3.8

⇒ 1 litre milk = Rs. 80

⇒ 15.2 litre milk = 80 × 16.2 = Rs. 1296

⇒ Cost Price = Rs. 1296

⇒ Selling Price = 80 × 20 = 1600

⇒ Profit % = (1600 – 1296)/1296 × 100 = 23.46%

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