In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is

In an office, 40 % of the staff is female. 70 % of the female staff an

1.	In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is
A.	65 %
B.	60 %
C.	42 %
D.	64 %
Answer» D. 64 %

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In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is

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