XAT 2015 Question 34
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XAT
From the given information we draw the below Venn diagram:
b>a
Number of only J type electives is 3 => a=3
2a+b+3x=19 but since a=3; b+3x=13
we have to maximise x but b>3 => b=4 and x=3.
.'.the maximum number of electives that can be common between them=x+2=5.