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    In 2014, there were 30% post graduate employees in department B. In 2015, 20 employees of the same department were shifted to branch ‘PQR’. If in 2015, the percentage of post graduate employees in department B were the same, how many post graduate employees were shifted to branch ‘PQR’

  • 4
  • 10
  • 7
  • 6
  • 5
  • Explanation:

    Total number of employees in department B

    = 550×20/100=110

    In 2014, number of graduate employees in 

    department B = 110×30/100=33

    In 2015, number of remaining employees

    =110-20=90

    In 2015, the number of graduate employees in 

    department B =90×30/100=27

    ∴ Number of shifted employees = 33-27=6