By selling an article for ₹72, there is a loss of 10%. At what price it should be sell to gain 10% profit?

If the cost of 1 dozen apples is Rs. 18, then the cost of 25 apples will be -

A house and a shop were sold for Rs. 1 lakh each, In this transaction, the house sale resulted into 20 % loss whereas the shop sale into 20 % profit. The entire transaction resulted in:

If 3 toys are sold at the cost price of 4 toys of the same kind, the profit will be:

A man bought three articles, each of which cost Rs 3000. He sold those articles at 10% profit, 5% profit and 15% loss respectively. What is the total profit/loss percentage earned by him?

Two things were sold at same sale-price. One thing got 10% profit and another suffered 10% loss. The difference of their purchase price will be in multiple of which number.Tell_____. 

A cycle seller gives 10% discount on marked retail price and still earns 26% profit. If marked retail price of the cycle is Rs. 840/- Then how much money was paid by the seller for that cycle?

If the cost of production of an article is 2/5 of its marked retail price, If it is sold at 10% discount then what will be profit?