What is the average of the first 90 even numbers?
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the average of first 90even numbers is (n+1) 90+1=91 so the average is 91.....
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1
HI !!!!here is your answer ,
the average of first 90 even no. is
Tn=a+(n-1)D
tn=2+(90-1)(-2)
tn= 2+(90-1)(-2)
tn=2+(89*-2)
tn=178+2
tn=180
hope it helps you pls put it as a brain list and give me a salamat please ........
the average of first 90 even no. is
Tn=a+(n-1)D
tn=2+(90-1)(-2)
tn= 2+(90-1)(-2)
tn=2+(89*-2)
tn=178+2
tn=180
hope it helps you pls put it as a brain list and give me a salamat please ........
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