What is the average number of female members in health clubs C, D and E?

  • 374
  • 376
  • 372
  • 392
  • 384
  • Explanation:

    The number of members (both male and female) in health club C = 4200×35/100

    = 1470

    The number of male members in health club C = 2400×33/100 = 792

    The number of female members in health club C = 1470-792 = 678

    The number of members (both male and female) in health club D = 4200×15/100 = 630

    The number of male members in health club D = 24000×12/100 = 288

    The number of female members in health club D = 630-288 = 342

    The number of members (both male and female) in health club E = 4200×8/100 = 336

    The number of male members in health club E = 24000×10/100 = 240

    The number of female members in health club E = 336-240 = 96

    ∴ Required average = 678+342+96/3

    = 1116/3 = 372

     

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What is the average number of female members in health clubs C, D and E?
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