David, a sweet shop owner, buy some Hershey's chocolate at 5 for $10 and the same number of Twin chocolates at 8 for $10.He then mixes them and sells all the chocolates at a uniform price of 12 for $30. What is the overall percentage profit made by David in the process?

A man sold a bicycle at 5% profit. If the cost had been 30% less and the selling price Rs 63 less, he would have made a profit of 30%. What was the cost price of the bicycle ?

John decided to treat his friends with some chocolates. On visiting a Hershey's outlet, he found that chocolates were sold in boxes. The boxes had different number of chocolates and the prices of the boxes were also different. The prices are shown in the table below. How much less does John spend if he busy 90 chocolates in boxes of 15 chocolates than if he buys the same in boxes of 10 chocolates ?

Rohit buys an item at 25% discount on the marked price. He sells it for 660, making a profit of 10%. What is the marked price of the item?

At the Orient Store clearnace sale, articles are sold at a price resulting in 10% loss for the store owner. The store owner decide to double the existing selling price of each article. What is his current percentage profit if it is kown that all articles have the same price ?

Napster offers discount on purchase of three garment pieces at a time . On purchase of every garment at the listed price, there is a 10% discount on offer of the remaining two graments . All garments .All garments are price the same. If the garments are listed at 25% above the cost price of $120, what is the profit made by the store if a customer purchase three pieces of garments ?

Ron had $35 with which he wanted to buy some chocolates priced at $2 per pieces, some pens priced at $ 5 per piece and some pencils priced at $4 per piece. What is the difference between the maximum number of total items he can buy and the minimum number of total items he can buy, if he must buy at least one chocolate one pen and one pencil and he must to spend the entire amount with him ?

With $30 in his pocket , Ron wanted to buy some chocloates priced at $3 per piece and some pencils priced at $4 per piece. What is the different number of ways in which he can purchase the items if he must buy at least one chocolate and one pencil and must spend the entire amount he has ?

Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in boxes. The table below lists the price (the total amount the customer pays) of each box of candy sold at the shops. For each shop, there is a linear relationship between the price of a box of candies and the number of candies in the box. These are the only numbers of candies that can be purchased at the shops. Jeremy has $ 10.00 in quarters to spend on candy. What is the maximum number of quarters he would have left after paying for a box 25 candies at Tamika's treat Shop? (Note: Each quarter is worth $ 0.25)

Acer.com recently purchased 30 printers, each at $120. The store then sold the printers, to a dealer , all at the sam price. Had the store sold each printer for $10 more than what it actually did , the total profit made would have been $1800.What was the selling price of each printer ?

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%?