A shopkeeper buys 20 kg of wheat at Rs. 30 per kg and sells at Rs. 36 per kg. What is his profit percentage? MCQ with Answer and Explanation

A manufacturer sells to a wholesaler at a profit of 10%. The wholesaler sells to a dealer at a profit of 20%. The dealer sells to a retailer at a profit of 15%. If the retailer paid Rs. 30360, what was the manufacturer's cost?

A trader marks his goods 30% above cost and gives a discount of 10%. What is his profit percent?

A shopkeeper sells a mobile for Rs. 8000, losing 20%. Find the cost price.