The average monthly salary of 15 workers in a factory is Rs.285 :

The average monthly salary of 15 workers in a factory is Rs.285. If the salary of the manager is included, the average becomes Rs.355. What is the manager’s salary?

  1. Rs.1,450
  2. Rs.1,430
  3. Rs.1,405
  4. Rs.1,400
Anurag Mishra Professor Asked on 27th December 2015 in Maths.
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1 Answer(s)

Answer: (3) Rs. 1, 405

Explanation:-
The average monthly salary of 15 workers in a factory = Rs. 285
Then, the total monthly salary of 15 workers in a factory = 15 x 285
 = Rs. 4275

If the manager is included, the average becomes Rs.355. 
Then, the total salary of 15 workers and manager = 16 x 355
 = Rs. 5680

Thus, the salary of manager = 5680 – 4275
 = Rs. 1, 405
Hence, the correct answer is option (3) Rs. 1, 405. 

Anurag Mishra Professor Answered on 27th December 2015.
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