A) 38
B) 37
C) 40
D) 39
Correct Answer: D
Solution :
\[\begin{align} & \text{Total number of pages in a book}~~~~~~~~~~~~~~~~~\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,=\,\,\,\,\,8\cancel{9}\,\,\,\cancel{8}18 \\ & \text{Number of pages Gauri has read}~~~~~~~~~~~~~~~~\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,=-\,\,\,\,\underline{\text{5}\,\,\,\,\,\,\text{9}} \\ & \text{Number of pages she has to read to finish the book }=\text{ }\,\,\,\,\,\,\underline{\text{3}\,\,\,\,\,\,\text{9}} \\ \end{align}\]
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