Math, asked by keshhavmaurya, 10 months ago

Q76.Find the sum of all three digit natural numbers , which are divisible by 7.

Answers

Answered by Anonymous

0

Step-by-step explanation:

105,112.........994

994=105+(n-1)(7)

994=105+7n-7

n=128

s128=64(110+127(7))

=7929

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