Answer:
Hours in all required by Lipika to read the book \[=1\frac{3}{4}\times 6=\frac{7}{4}\times 6=\frac{7\times 6}{4}=\frac{42}{4}\]\[=\frac{42\div 2}{4\div 2}=\frac{21}{2}=10\frac{1}{2}\]hours.
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