A jar full of whiskey contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohols and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is
Correct Answer : D
What is the difference between the banker's discount and the true discount on Rs.8100 for 3 months at 5%
A trader has 1600Kg of sugar. He sells a part at 8% profit and the rest at 12% profit. If he gains 11% on the whole , find the quantity sold at 12%.
The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. What is the present worth?