The perimeter of two squares are 24 cm and 32 cm . The perimeter (in cm) of a third square equal in area to the sum of the areas of these squares is: 

Two medians AD and BE of ∆ABC intersect G at right angle. If AD = 9 cm and BE = 6 cm, then the length of BD ( in cm ) is

A dozen pairs of socks quoted at 180 are available at a discount of 20 %. How many pairs of socks can be bought for 48? 

15 litres of a mixture contains alcohol and water in the ratio 1 : 4 , If 3 litres of Water is mixed in it , the percentage of alochol in the new mixture will be : 

A man spends a part of his monthly income and saves the rest. The ratio of his expenditure to the saving is 61 : 6. If his monthly income is Rs .8710, the amount of his monthly saving is 

Two numbers are 90 % and 75 % lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number? 

A man's annual income has increased by Rs. 5 lakhs but the tax on income that he has to pay has reduced from 12 % to 10 %. He now pays Rs. 10,000 more income tax. What is his increased income (in Rs. lakhs)? 

40 % are the passing marks. A student gets 250 marks yet fails by 38 marks. What are the maximum marks?