Question

The ratio of the number of lemons to the number of cups of water to be mixed to prepare lemon juice is 3:5. For 12 lemons, what is the number of cups of water required?

• A. 10
• B. 15
• C. 20
• D. 25

Answer 1

The correct option is C

20

The ratio of the number of lemons to the number of cups of water to be mixed is 3 : 5.
Given, number of lemons = 12
Let the number of cups of water required to be $x$.
Now, given ratio is equal to $\frac{Numberoflemons}{Numberofcupsofwater}$
$\Rightarrow \frac{3}{5}=\frac{12}{x}$
Cross-multiplying, we get
$\Rightarrow 3x=12\times 5$
$\Rightarrow 3x=60$
$\Rightarrow x=20$

Therefore, the number of cups of water required is 20.