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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics
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The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls combined is 50. The percentage of boys in the class is

$\begin {array} {1 1} (A)\;40 & \quad (B)\;20 \\ (C)\;80 & \quad (D)\;60 \end {array}$

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