In an office in Singapore there are 60% female employees. 50 % of all the male employees are computer literate. If there are total 62% employees computer literate out of total 1600 employees, then the no. of female employees who are computer literate ?

In an office in Singapore there are 60% female employees. 50 % of all the male employees are computer literate. If there are total 62% employees computer literate out of total 1600 employees, then the no. of female employees who are computer literate ? Correct Answer 672

Total employees = 1600Female employees, 60% of 1600$$ = \frac{{60 \times 1600}}{{100}} = 960$$Then male employees = 64050% of male are computer literate,= 320 male computer literate62% of total employees are computer literate,$$ = \frac{{62 \times 1600}}{{100}} = 992$$     computer literateThus, Female computer literate = 992 - 320 = 672Alternatively :Let 60% employees are female and 40% are maleThen, 20% of male are computer literate and 42% are female computer literateFemale computer literate $$ = \frac{{1600 \times 42}}{{100}} = 672$$
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