GATE | GATE CS 2013 | Question 65
The current erection cost of a structure is Rs. 13,200. If the labour wages per day increase by 1/5 of the current wages and the working hours decrease by 1/24 of the current period, then the new cost of erection in Rs. is
Explanation: Cost is proportional to wages per day and number of hours.
Wages are increased by 1/5 and working hours are decreased by 1/24.
So the cost becomes (current cost)*(1+1/5)*(1-/24) = 13200*(6/5)*(23/24) = 15180
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