Q87
A mixture of milk and water measures 60 litres. It contains 10% water. How much water should be added to it, so that the water may be 25%?
A.
18 litres
B.
14 litres
C.
16 litres
D.
12 litres
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,10\% }&{}&{100\% } \\
{}&{\,\,\,\,\,\,\,\,\,\,\,\,\,25\% }&{} \\
{\,\,\,\,\,\,\,\,\,\,75\% }&{}&{15\% } \\
{60 \leftarrow 5\,\,}&{\,\,\,\,\,\,\,\,\,\,\,:}&{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,1 \to 12{\text{ litres}}}
\end{array}