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 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%

Jyotsana bought 400 eggs at Rs. 8.40 a dozen. At what price per hundred must she sell them soas to earn a profit of 15% ?

Cost of 4 dozens bananas is Rs 60. How many bananas can be purchased for Rs 12.50?

A man buys a plot of agricultural land for Rs 300000. He sells one-third at a loss of 20% and two-fifths at a gain of 25% . At what price must he sell the remaining land so as to make an overall profit of 10%?

A flowerist buys 100 dozen roses at Rs 2 a dozen. By the time the flowers are delivered, 20 dozen roses are mutilated and are thrown away. At what price should he sell the rest if he needs to make a 20% profit on his purchase?

A trader mixes two varieties of salt, viz. A and B. The cost price of A was Rs 28 per kg and of B was Rs 21 per kg. If he mixes these two varities in the ratio 2:5 , at what price per kg should he sell the mixture to make an profit of 5% ?

Mohan bought a certain number of note-books forRs 600. He sold (1)/(4) of them at 5 percent loss. At what price should he sell the remaining notebooks so as to gain 10% on the whole ?

A dealer buys 50 chairs for Rs 50,000 but 20 of them are damaged. He decides to sell each damaged one at three fourths the price of the normal one. What should this price be in order that he may make a profit of 35% on the whole transaction?

A vendor sells apples at Rs 75 per kg, At the end of the day he found that he sold 20 kg of apples ata profit of Rs 250. Calculate the cost price of the apples per kg and his profit percent for 20 kg apples. At what price per kg should he have sold if he wanted a profit of 36% ?

A vendor sells mangoes at Rs 40 per kg, At the end of the day he found that he sold 30 kg of mangoes ata profit of Rs 200. Calculate the cost price of the mangoes per kg and his profit percent for 30 kg mangoes. At what price per kg should he have sold if he wanted a profit of 35% ?