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

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(C) Let the total number of staff be $100$.Number of female staff $= 40 \% 	ext{ of } 100 = 40$.Number of male staff $= 100 - 40 = 60$.Married female

Vedclass · Accepted Answer

$42$

Vedclass · Answer

(C) Let the total number of staff be $100$.Number of female staff $= 40 \% 	ext{ of } 100 = 40$.Number of male staff $= 100 - 40 = 60$.Married female staff $= 70 \% 	ext{ of } 40 = 0.70 	imes 40 = 28$.Unmarried female staff $= 40 - 28 = 12$.Married male staff $= 50 \% 	ext{ of } 60 = 0.50 	imes 60 = 30$.Unmarried male staff $= 60 - 30 = 30$.Total unmarried staff $= 12 + 30 = 42$.Percentage of unmarried staff $= (42 / 100) 	imes 100 = 42 \%$.

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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