no of even no 1 to400
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total numbers between 1 to 400 is 400.
The sequence would be,
2,4,6...........,400
Here, a=2; d=2; tn=400 (the last term)
We know that,
tn = a+(n-1)d
400 = 2+(n-1)2
200 = 1+n-1
n = 200
The sequence would be,
2,4,6...........,400
Here, a=2; d=2; tn=400 (the last term)
We know that,
tn = a+(n-1)d
400 = 2+(n-1)2
200 = 1+n-1
n = 200
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