Question

test of divisibility by 11 100810081
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Answer 1

Answer:

100810081 ÷11

9164552. 82........

therefore it is not divisible

Answer 2

Question:-

test of divisibility by 11 100810081

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If that is divisible by 11, so is the original number. So, for instance, 2728 has alternating sum of digits 2 – 7 + 2 – 8 = -11. Since -11 is divisible by 11, so is 2728.

hope it helps you.