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Q:

The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of students in A were 10 more than those in B. The average score of students in A was 30% more than that of students in B. The average score of students in B is:

  • 1
    56
  • 2
    60
  • 3
    50
  • 4
    54
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Answer : 4. "54"

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