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If a positive number 'k' when multiplied by 30% of itself gives a number which is 170% more than the number 'k' then the number 'k' is equal to:
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& k \times \left( {k \times 30\% } \right) = k \times 270\% \cr
& \Rightarrow k \times k \times \frac{{30}}{{100}} = k \times \frac{{270}}{{100}} \cr
& \Rightarrow k = 9 \cr} $$
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