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Factors and Multiples — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSFactors and Multiples2 Marks
Question
Test the divisibility of: $1000001$ by $11$
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Answer

$10000001$ by $11$
$10000001$ is divisible by $11.$
Sum of digits at odd places $= (1 + 0 + 0 + 0) = 1$
Sum of digits at even places $= (0 + 0 + 0 + 1) = 1$
Difference of the two sums $= (1 - 1) = 0,$
which is divisible by $11.$

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