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A litre of water evaporates from 6L of sea water containing 4% salt. Find the percentage of salt in the remaining solution.
Answer & Solution
Correct Answer:
Option
D
$$\eqalign{
& {\text{Quantity of salt in 6L of sea water,}} \cr
& = \frac{{ {6 \times 4} }}{{100}} = 0.24 \cr
& {\text{Percentage of salt in 5L of sea water,}} \cr
& = \frac{{ {0.24 \times 100} }}{5} = 4\frac{4}{5}\% \cr} $$
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Login24/5=6(4/5)
not the 4(4/5)