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577

Q:

Some students (only boys and girls) from different schools appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed the exam. The number of boys who passed the exam was 70 more than that of the girls who passed the exam'. A total of 90 students failed. Find the number of students that appeared for the exam.

  • 1
    500
  • 2
    350
  • 3
    400
  • 4
    420
  • Show Answer
  • Workspace

Answer : 1. "500"

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