Aliya Singh

Answer to: The mean proportion of 1.21 and 0.09 is

Option option 2 is the correct answer

Answer to: If a + b = 1, then the value of a3 + b3 + 3ab is equal to

Answer to: A drum contains 80 litres of ethanol. 20 litres of this liquid is removed and replaced with water. 20 litres of this mixture is again removed and replaced with water. How much water (in litres) is present in this drum now?

We know the formula:

X = A(1 - R/C)ⁿ

Here X = Liquid remaining after r...