Question

$Y=\frac{A}{A+W}$
Raju,a gardener prepares a mixture,of concentration ( by volume) Y, of fertilizers . He prepares it by mixing a volume of fertilizer given by A with a volume of water given by W. The expression above represents the mixture described. Which of the following physical quantity is represented by the term A+W in the above equation?

• A. The volume of the mixture
• B. The mass of fertilizer added
• C. The volume of the fertilizer in the mixture
• D. The concentration of the fertilizer

Answer 1

The correct option is A The volume of the mixture

Given $Y=\frac{A}{A+W}$ Raju and Gardner prepares a mixture of concentration ( by volume ) $Y$.

In this $A$ denotes the given fertilizer and $W$ denotes volume of water

Then $A+W$ is the total volume of mixture.