wat is the ans

Dear Student,
Let the total no of pages be x
And the three fourth of the book is 3/4 of x = 3x/4
He read 3/4th of the book, so the pages left = x- 3x/4 = x/4
So the remainder = x/4
He read 1/2 of the remainder on the next day so 1/2  of x/4 = x/8
Since 315 pages are read
so we have
3x4 +x8 = 3156x+x8 = 3157x = 315 × 8x = 25207x = 360 pages
 

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