Divisibility
Number Theory
Level
3
If the 9 digit number is divisible by 44, then what is the sum of all possible numbers ?
The answer is 156.
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1 solution
1111124ab=11q+10+4ab on cherche les multiples de 11 entre 400 et 499 puis on supprime 10 et on prend le nombre ab divisible par 4 donc on prend 08,52,96 avec08+52+96=156