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Aptitude · Q87

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Competitive Exams · Aptitude · question 87

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
Answer

Answer: 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}