A merchant bought some goods worth Rs. 6000 and sold half of them at 12% profit . At what profit per cent should sell the remaining goods to make and overall profit of 18%?

a shopkeeper buys 100 balls rs 10000 and sells 40 of them at a profit of 12.5% .at what percent should he sells the remaining balls so that overall profit is 20% ?

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:

A person sells 33.(1)/(3) % of his property at 20% loss .At what profit per cent should he sell the remaining property to earn 20% profit on the whole?

A grocer bought sugar worth Rs.4500. He sold one-third of it at a gain of 10%. At what gain per cent must the remaining sugar be sold to have a gain of 12% on the whole?

A grocer bought sugar worth of Rs. 4500. He sold one-third of it at a gain of 10%. At what gain per cent must the remaining sugar be sold to have a gain of 12% on the whole?

A book seller bought 200 textbooks for Rs. 1200 He wanted to sell them at a profit that he gets 20 books free At what profit per cent should he sell them ?