Two-third of the faculty members of a department are female. Twelve of the male teachers are unmarried, while 60% of them are married. The total number of faculty members in the department is:

গণিত Counting and Venn Diagram 07 Oct, 2020

প্রশ্ন Two-third of the faculty members of a department are female. Twelve of the male teachers are unmarried, while 60% of them are married. The total number of faculty members in the department is:

  • ক.
    72
  • খ.
    60
  • গ.
    30
  • ঘ.
    90

সঠিক উত্তর

90

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Counting and Venn Diagram