There are 30 workers working in a factory. If two of them whose salaries are Rs950 and Rs1120 respectively are fired and two new workers join the factory, then the average salary of workers is decreased by Rs15. What is the total salary of two new workers?
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2040
Explanation:
average of two salaries= sum of objectives÷ no.of objectectives
average of two salaries=950+1120÷2=1035
average of new workers salaries are decreased by rs 15 that is 1035-15=1020
1020=sum of new workers salary÷2
1020×2=sum of new workers salary
there fore sum of new workers salary = 2040
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