Mean of salary of 50 employes is 20,000 if one more employee joins the group then mean salary becomes 21000 find the salary of the new person. Plas give the answer ṭo this I need it urgently
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Answered by
2
mean salary => sum of 50 employes
---------------------------- = 20000
50
sum of 50 employes = 10,00,000
new mean
sum of 51 (1 extra)
------------------------- = 21,000
51
sum of 50 person + 1 extra = 51 * 21,000
10,00,000 + new person = 10,71,000
new person salary = 10,71,000 - 10,00,000
= Rs. 71,000
---------------------------- = 20000
50
sum of 50 employes = 10,00,000
new mean
sum of 51 (1 extra)
------------------------- = 21,000
51
sum of 50 person + 1 extra = 51 * 21,000
10,00,000 + new person = 10,71,000
new person salary = 10,71,000 - 10,00,000
= Rs. 71,000
oshoraa:
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Answered by
0
1000 rupees simple because later the salarywas 20000 but after joining of one more person the salary became 21000 so if we subtract both values answer will be 1000
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