Answer:
[tex]A.826[/tex]
[tex]The \: last \: digit \: is \: 6.[/tex]
[tex]After \: doubling \: it,we \: get \: 6×2=12[/tex]
[tex]Subtract \: it \: from \: remaining \: digits.[/tex]
[tex]That \: is \: 82-12=70[/tex]
[tex]Now,70 \: is \: divisible \: by \: 7.[/tex]
[tex]So,the \: number \: 826 \: is \: divisible \: by \: 7.[/tex]
[tex]Thanks!!!!!![/tex]