Question

A boy reads 1/4of a book on the first day. on the second day he reads 1/3 of the renaming portion. what portion of the book does the boy read in the two days? if 100 pages are left to be read find how many pages are there in the book

Answer 1

1/4+1/3=7/12
12/12-7/12=5/12
5/12=100
7/12=x
7/12×100×12/5=x
x=no.of.pages left
x=700÷5
x=140
total Pages =140+100
=240pages
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