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In a state with a population of $75 \times 10^{\circ}, 45 \%$ of them know Hindi, $22 \%$ know English, $18 \%$ know Sanskrit, $12 \%$ know Hindi and English, $8 \%$ know English and Sanskrit, $10 \%$ know Hindi and Sanskrit and $5 \%$ knowall the three languages.
What is the number of people who know only two $\begin{array}{ll}\text { languages ? } \end{array}$
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What is the number of people who know only two $\begin{array}{ll}\text { languages ? } \end{array}$
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The correct answer is:
$12 \times 10^{5}$
Number of people who know only two language $=\mathrm{d}+\mathrm{e}+\mathrm{f}=3.75 \times 10^{6}+2.25 \times 10^{6}+5.25 \times 10^{6}$
$=11.25 \times 10^{6}$
$=11.25 \times 10^{6}$
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