# Rekha works 80 hours per week and she earns Rs.3500 as wages. If her p

| Rekha works 80 hours per week and she earns Rs.3500 as wages. If her per hour wages is increased by 40% and duration of work is decreased by 16.66%. Find percentage change in her earnings.

A. 12.5%

B. 37.5%

C. 16.67%&

D. 36.4%

### Right Answer is: C

#### SOLUTION

Earnings = duration of work (in hours) × per hour wages

Duration of work is decreased by 16.66%.

16.66% =

Also, her per hour wages is increased by 40%

40% =

So, initial earnings = 6×5 =30

Final earnings = 5×7=35

percentage change in her earnings = = 16.67%

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Rekha works 80 hours per week and she earns Rs.3500 as wages. If her p