Q. In an examination average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio 4 : 5, average marks of the whole class (approximately) is closest to

  • (A) 85.9
  • (B) 86.1
  • (C) 86.4
  • (D) 86.5
βœ… Correct Answer: (B) 86.1

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