There are three samples labelled as \( 10 \mathrm{Vol} ., 15 \mathrm{Vol} \). and \( 20 \mathrm{....

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There are three samples labelled as \( 10 \mathrm{Vol} ., 15 \mathrm{Vol} \). and \( 20 \mathrm{Vol} \). Half litre of each sample are mixed and
\( \mathrm{P} \)
then dilute with equal volume of water. What is the
W
volume strength of the resulting solution?
(1) 1.33
(2) 5.6
(3) 7.5
(4) 2.1


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