samantar Shenni 7,11,15,19,23,na ketla pado no sarvalo 900thay
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a=7
d=4
an=900
n=?
an=a+(n-1)d
900=7+(n-1)4
900=7+4n-4
897=4n
n=897/4
which is not possible.
d=4
an=900
n=?
an=a+(n-1)d
900=7+(n-1)4
900=7+4n-4
897=4n
n=897/4
which is not possible.
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