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Statistics question

2007 · Shift 0 · Q39
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Statistics question

2007 · Shift 0 · Q39

JEE MainMathematicsStatisticsMCQ+4 / −1
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
  1. A
    80
  2. B
    60
  3. C
    40
  4. D
    20
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