Find
the
sum
of
all
three
digit
a natural
number
which
is
divisible by 7
Answers
Answered by
1
this is your answer.
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Answered by
2
sn= n/2(2a+(n-1)d
sn=7/2(105×2)+(7-1)7
sn=(210+42)
sn=882
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