1.

1). 1/92). 5/363). 1/184). 5/16

Answer»

$(\begin{ARRAY}{L} \left( {\FRAC{1}{{15}} + 1 - \frac{9}{{10}}} \right) \div \left( {\frac{4}{5}\;of\;\frac{3}{2}} \right)\\ = \left( {\frac{1}{{15}} + 1 - \frac{9}{{10}}} \right) \div \left( {\frac{4}{5} \TIMES \frac{3}{2}} \right)\\ = \left( {\frac{1}{{15}} + 1 - \frac{9}{{10}}} \right) \div \frac{6}{5}\\ = \frac{{2 + 30 - 9 \times 3}}{{30}} \div \frac{6}{5}\\ = \frac{5}{{30}} \div \frac{6}{5}\\ = \frac{5}{{30}} \times \frac{5}{6} \end{array})$

= 5/36


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