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Grade 126 grade maths

Using divisibility tests, determine which of the following numbers are divisible by 11:
10000001

Profile image of Pawan Prajapati
5 Years agoGrade 12
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1 Answer

Profile image of Harshit Singh
5 Years ago
Dear Student

Sum of digits at odd places = 1 Sum of digits at even places = 1
Difference = 1–1 = 0
Since, the difference between sum of digits at odd places and sum of digits at even places is 0.
Hence, 10000001 is divisible by 11

Thanks