The number of employees who got promoted from the HR department was what per cent of the total number of employees working in that department? (rounded off to two digits after decimal)
A
36.18
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B
30.56
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C
47.22
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D
28.16
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E
None of these
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Solution
The correct option is B 30.56 Total number of employees who got promoted =1200×11100=132 Total number of employees in HR department =3600×12100=432 ∴ Required percentage =132432×100 = 30.56