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 
 1) : (0.60  5) : (0.625  2) Overall percentage =   100 =   100 = 60%
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