Airport Security Force (ASF) Assistant Director FPSC Past Papers Mathematics MCQs

In a class of 52 students, the number of boys is two less than the number of girls. Average weight of the boys is 42 Kg, while the average weight of all students is 40 Kg. Approximately what is the average Wight of girls?

  • 40 Kg
  • 38 Kg
  • 35 Kg
  • 30 Kg
  • B
  • All Students=52
    Boys in two less than girls=25
    Girls=27
    Total Weight of boys=25*42=1050
    Total Weight of all students=40*52=2080
    Total Weight of girls=2080-1050=1030
    Average Weight of Girls=1030/27=38.14 kg

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