if the 5 digit number 535ab is divisible by 3 7 and 11 then what is th | Examsbook

481

Q:
If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a² - b² + ab)?

1
77
2
89
3
95
4
83

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Answer : 3. "95"

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