The problem asks for the supervisor's salary given the average salary of workers before and after the supervisor is included.
First, calculate the total salary of the 40 workers:
Total Salary (Workers) = Number of Workers $ \times $ Average Salary of Workers
Total Salary (Workers) = $ 40 \times 24,000 = 960,000 $
Next, calculate the total salary of the 41 people (40 workers + 1 supervisor):
Total Salary (41 People) = Number of People $ \times $ New Average Salary
Total Salary (41 People) = $ 41 \times 24,500 = 1,004,500 $
The supervisor's salary is the difference between the total salary of 41 people and the total salary of the 40 workers.
Supervisor's Salary = Total Salary (41 People) - Total Salary (Workers)
Supervisor's Salary = $ 1,004,500 - 960,000 $
Supervisor's Salary = $ 44,500 $
The supervisor's salary is Rs. 44,500.
The average of 28 numbers is 77. The average of first 14 numbers is 74 and the average of last 15 numbers is 84. If the 14 th number is excluded, then what is the average of remaining numbers? (correct to one decimal places)
24 students collected money for donation. The average contribution was Rs. 50. Later on, their teacher also contributed some money. Now the average contribution is Rs. 56. The teacher’s contribution is:
Out of 6 numbers, the sum of the first 5 numbers is 7 times the 6 th number. If their average is 136, then the 6 th number is:
The average of five numbers is 30. If one number is excluded, then average becomes 31. What is the excluded number?
The average weight of 49 students in a class is 39 kg. Seven of them whose average weight is 40 kg leave the class and other seven students whose average weight is 54 kg join the class. What is the new average weight (in kg) of the class?