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      Question

      6 interns together do as much work as a regular employee.

      If 36 interns finish 90 tasks in 3 days, how many regular employees are required to do 90 tasks in 2 days?
      A 28 Correct Answer Incorrect Answer
      B 18 Correct Answer Incorrect Answer
      C 9 Correct Answer Incorrect Answer
      D 40 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the efficiency of each intern be 'x' units/day

      Efficiency of each employee = 6x units/day

      Let the number of employees be 'm'

      (36x × 3)/90 = (6x × m × 2)/90

      ⇒ 12m = 108

      ⇒ m = 9

      Therefore, 9 regular employees are required to do the work in 2 days.

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