Ratio of 300g and 2kg is_____
An alloy is to contain copper and zinc in the ratio 9 :4. The zinc required (in kg) to be melted with 24 kg of copper, is
If 20 cm3 gas at 1 atm. is expanded to 50 cm3 at constant T, then what is the final pressure
If 20Cr=20Cr+4, then rC3 is equal to
The base of a prism is an equilateral triangle of perimeter 15 cm and its height is 10 cm. What is its total surface area ?