Question
If a girl obtained 55% in the first paper, 60% in the
second, and 62.5% in the third, what percent did he obtain overall if it is given that the maximum marks of papers were set in an examination were in the ratio of 1 : 5 : 2, respectively.Solution
Ratio of maximum marks = 1 : 5 : 2 Ratio of marks obtained = (0.55Â Â 1) : (0.60Â
 5) : (0.625Â
 2) Overall percentage =Â
Â
 100 =Â
Â
 100 = 60%
975, 1050, 1125, 1200, 1275, 1325Â
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Direction: Find the wrong number in given number series.
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