He read 1/4 of the pages on 1st day
Pages read on 2nd day=3/4*1/3=1/4
Total pages read(in 2 days)=1/4+1/4=2/4=1/2
Let the number of pages be x
Then, number of pages read=1/2*x=x/2
Number of pages left=x-x/2=x/2
Ans:1:He read 1/2 of the book in 2 days.
Ans:2:There are 200 pages in the book.