# Recent posts tagged gatepreparation

2
Since wages per day increase by $\dfrac{1}{5}$ of current wages, new wages per day becomes $\dfrac{6}{5}$ of current wages. Similarly, new working hours are $\dfrac{23}{24}$ of current working hours. So new erection cost becomes $13200\times \dfrac{6}{5} \times \dfrac{23}{24} = 15180.$ So option (B) is correct.
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