Answers

2015-10-09T10:29:15+05:30
Let  the common factor = x
then  core section has 7x pages
and advance section 2x pages

Total pages = 450
7x+2x=450
9x=450
x=450/9
x = 50

Core section =  7x =7*50 = 350 pages
Advance Java section = 2x = 2*50 =100 pages

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