Geeta read $\frac{3}{8}$ of a book on one day and $\frac{4}{5}$ of the remaining on another day. Find the portion of the book read on another (second) day.

\frac{1}{3}

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\frac{5}{2}

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\frac{4}{3}

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\frac{1}{2}

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Solution

The correct option is D $\frac{1}{2}$
Portion of the book left unread after one day $= 1 -$ Portion of the book read on one day
$= 1 - \frac{3}{8}$ $= \frac{5}{8}$

Portion of the book read on another day $= \frac{4}{5}$ of portion of the book left unread after one day

$= \frac{4}{5}$ $\times$ $\frac{5}{8}$

$= \frac{1}{2}$

So the portion of the book read on second day= $\frac{1}{2}$

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Geeta read 38 of a book on one day and 45 of the remaining on another day. Find the portion of the book read on another (second) day.

The correct option is D 12Portion of the book left unread after one day=1− Portion of the book read on one day =1−38=58Portion of the book read on another day =45 of portion of the book left unread after one day =45× 58 =12So the portion of the book read on second day= 12

Geeta read $\frac{3}{8}$ of a book on one day and $\frac{4}{5}$ of the remaining on another day. Find the portion of the book read on another (second) day.