Answers

2016-01-29T18:10:58+05:30
Let Core section needs 7x
advance sections needs 2x
sum of the both the sections = 450

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

therefore Core section required 7x i.e 7x50=350 pages
advance java section requires   2x i.e 2x50=100 pages
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2016-01-29T22:53:05+05:30