Comparing Quantities

A horse and a cow were sold for Rs. 12,000 each. The horse was sold at a loss of 20% and the cow at a gain of 20%. The entire transaction resulted is

A machine is sold at a profit of 10%. Had it been sold for Rs. 80 less, there would have been a loss of 10%. The cost price of the machine is

An article when sold at a gain of 5% yields Rs. 15 more than when sold at a loss of 5%. What is the cost price ?

Raghu bought 4 dozen oranges at Rs. 12 per dozen and 2 dozen oranges at Rs. 16 per dozen. He sold them all to cam 20% profit. At what price per dozen did he sell the oranges ?

A single discount equivalent to a discount series of 30%, 20% and 10% is

At what percentage above the cost price must an article be marked so as to gain 33% after allowing the customer at discount of 5% ?