The average salary of 15 persons is rs 5500. If the salary of one person is added, the average increases to rs 5700. What is the salary of this one person?
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Answer:
8700
Step-by-step explanation:
as given in question
avarage salery of 15 =5500rs
it is
5500×15=82500
then a new worker comes
avarge inc. for 16 people =5700
5700×16=91200
salery of new person =91200-82500=8700
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