try this!!
Level
pending
in an examination, there are three papers and a candidate has to get 35% of the total to pass. in one paper, he gets 62 out of 150 and in the second 35 out of 150. how much must he get, out of 180, in the third paper to just qualify for a pass ?
68
60.5
71
70
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1 solution
total marks= 150+150+180=480 let he should require x marks. therefore (62+35+x)/480=35% therefore x=(480*.35)-97=71