A firm employing 30 workers and paying on an average Rs 500 is combined with another firm employing 20 workers paying on an average Rs 600. What is the average pay of the workers of the combined firm?

A factory employs 100 workers of whom 60 in the first shift and 40 work in the second shift. The average wage of all the 100 workers is Rs. 38 If the average wage of 60 workers of the first shift is Rs. 40, then the average wage of the remaining 40 workers of the second shift is

If the average wage of 50 workers is Rs. 100 and the average wage of 30 of them is Rs. 120. Find the average wage of remaining workers.

The average and median of daily incomes of 500 workers are Rs.2.80 and Rs.3.15, then find the approximate value of the mode of the daily incomes of the workers.

The average salaries of the male and the female workers in a factory are Rs.5200 and Rs.4200 respectively.If the average salary of all of the workers is Rs.5000,then find the percentages of the male and female workers in the factory.

The average daily income of workers of a factory including that of the onwer in Rs 110. However, if the income of the owner is excluded, the average daily income of the remaining 9 workers is Rs 76. What is the daily income of the owner?

If the average salary of a firm is Rs. 400 and the number of workers is 60, find the total salary bill of the firm.

The average income of a group of 9 workers is Rs 137.30 and that of another group of 7 workers is rs 95.06. The average income of all the persons is: