A business man purchased a quintal of wheat for 700Rs and when they become wet then he sold it for 6/kg. find the loss or profit percentage?

A person bought some articles at rate of 6 for Rs 5 and sold them at the rate of 5 for Rs 6. Find the profit or loss %.

Rakesh purchased a T.V for ₹ 5000 and paid ₹ 250 for its transportation. If he sold the T.V. for ₹ 5075, find his profit or loss percentage.

A fruit seller purchased 20 kg of grapes for Rs. 400. If he sells the graphs at a rate of Rs. 50 per kg, then find his profit percentage.

Rajaram purchased a certain amount of wheat. If he sold one-fourth of the wheat at a profit of 12%, then the profit percent he needs to make on the remaining wheat to make an overall profit of 15% is: