A dishonest milkman added some water to milk and sold it at cost price. If he gained 20%, then what percentage of water did he add to milk? (It is to be assumed that adding water to milk costs him nothing.)

Keep practicing — related questions

• The cost price of 32 articles is equal to the selling price of 20 articles. Find the gain%.
• A dishonest shopkeeper professes to sell his clothes at the cost price, but he uses a false length scale of...
• A man sells a book at profit of 30%. If he had bought it at 10% less and sold it for Rs. 8 less, he would h...
• A man sells his car for Rs. 3 lakh and loses some amount. Had he sold it for Rs. 5.60 lakh, his gain would ...
• A shopkeeper earns a profit of 20% on selling a book at 5% discount on printed price. Find the ratio of the...
• A man sold two almirahs for Rs. 4500 each. On one, he gains 12.5% and on the other, he loses 10%. Find the ...
• Furniture costing Rs. 20,000 is sold at a profit of Rs. 2,000 for cash. It will result in
• Mr Ram bought a DVD set for Rs. 14,000. He sold it to Sham for Rs. 18,000. Sham sold it to Raj for Rs. 24,0...