After reading 49th of a book, 30 pages are left. How many pages are there in the

Question

After reading

\frac{4}{9} t h

of a book, 30 pages are left. How many pages are there in the book?

Options:

A . 54

B . 36

C . 24

D . 60

Answer: Option A
:
A
Let the total number of pages in the book be

x

(\frac{4}{9} \times x) pages are read

Remaining pages = x - \frac{4 x}{9}

= \frac{5 x}{9} = 30

\Rightarrow 5 x = 30 \times 9

x = 54 pages

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