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Using divisibility tests, determine which of the following numbers are divisible by 1111: 71389657138965

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Pawan Prajapati , 3 Years ago
Grade 12
anser 1 Answer
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Harshit Singh

Last Activity: 3 Years ago

Dear Student

Sum of digits at odd places = 5 + 9 + 3 + 7 = 24
Sum of digits at even places = 6 + 8 + 1 = 15 Difference = 24–15 = 9
Since, the difference between sum of digits at odd places and sum of digits at even places is 9 which is not divisible by 11.
Hence, 7138965 is not divisible by 11

Thanks

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