A vendor purchased 40 dozen bananas for Rs 250. Out of these, 30 bananas were rotten and could not be sold. At what rate per dozen should he sell the remaining bananas to make a profit of 20%

Harish purchased 50 dozen bananas for Rs 135. Five dozen bananas could not be sold because they were rotten. At what price per dozen should Harish sell the remaining bananas so that he makes a profit of 20%?

A vender bought 40 dozen fruits for Rs 3,000. Out of these, 30 fruits were rotten and thrown away. At what rate (in Rs) per dozen should the vendor sell the remaining fruits to make a profit of 25% in the entire transaction?

Harish purchased 50 dozen bananas for Rs 135. Five dozen bananas could not be sold because they were rotten.At what price per dozen should Harish sell the remaining bananas so that he makes a profit of 20%?

A fruit vendor purchased 80 dozens of bananas at Rs. 10 per dozen. Out of this, 12 dozens got rotten and he sold them at Rs 6 per dozen. Remaining bananas were sold by him at Rs. 14 per dozen. What profit did the make in this transaction?

A man bought a number of oranges at 3 for a rupee and an equal number at 2 for a rupee. At what price per dozen, should he sell them to make a profit of 20% ?