The average of 40 results 50 and the average of next 60 results 55 . The average of all results will be equal to :
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(40*50+60*55)/40+60
=(2000+3300)/100
=53
is the answer...
as you know that..
average is equal to total points divided by total results...
so at first I calculate total point and divide it by total result...
=(2000+3300)/100
=53
is the answer...
as you know that..
average is equal to total points divided by total results...
so at first I calculate total point and divide it by total result...
kirtiprasanjenpchfhd:
yaa...why not
ask
The average of 30 results 40 and 40 results 30 respectively. The average of all results will be equal to :
(30*40+40*30)/30+40
(1200+1200)/70
240/7
What is the meaning of that star between 30 and 40 and 40 and 30
= 34.28
multiplied
into
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