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The government intends to build 20 more schools in a bid to fulfill education for all, millennium development goal by 2015. This would steadily host 20 percent growth of enrollment rate by 2016. The current strength of teacher-pupil ratio is 1:60; and the number of enrollment is 1200 pupils per annual. The normal teacher pupil ratio for must be 1:30. Adjust and calculate more or less numbers of teachers required by 2016.

  • mathematics -

    It is not too clear "current" means 2014 or 2015. Will assume baseline year to be 2015 when 20 more schools are built.

    Number of students in 2015=1200
    Number of students in 2016=1200*1.2=1440

    Teacher:student ratio in 2015=1:60
    Number of teachers in 2015=1200/60=20

    Teacher:student ratio in 2016=1:30
    Number of teachers in 2016=1440/30=48

    Number of additional teachers required
    = 48-20
    =28

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