Requirement of skilled and ___ workers and managerial staff is also needed to carry on the work.
A factory employs skilled workers, unskilled workers and clerks in the proportion 7 :4 : 2 and the wages of a skilled worker ,unskilled worker and a clerk are in the ratio 5 : 3 : 3. When 20 unskilled workers are employed, the total daily wages of all, amount to Rs. 318. Find the daily wages paid to each category of employees in the order of skilled,unskilled and clerk respectively(Rs.).