If the average number of qualified candidates in 2002 and 2005 was 433, what percent of appeared candidates qualified in the competitive exam in 2002

  • 60
  • 75
  • 45
  • 70
  • 50
  • Explanation:

    Let the number of qualified candidates in year 2002=x

    The number of qualified candidates in year 2005

    =1040×40/100=416

    According to question,

    x+416=2×433

    x=866-416

    x=450

    ∴ Percentage of appeared candidates who qualified in year 2002 = 450/730×100

    =61.64=60%

     

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