For what value of m is the number 7m42876m divisible by 11?
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Answer:
Step-by-step explanation:
According to divisibility of 11
Sum of odd place digit - Sum of even place digit is divisible by 11.
=> ( 7 + 4 +8 + 6) - ( m +2 + 7 + m) = 0
=> 25 - 2m - 9 = 0
=> 16 - 2m = 0
=> 16 = 2m
=> m = 8
For other numbers except 0, the value of m is greater than 10 that is not possible.
So, m = 8
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