Question
Find A as required:
The number 225A85 is divisible by 11
The number 225A85 is divisible by 11
✓
Answer
5 + A + 2 – (8 + 5 + 2) = 7 + A – 15
= – 8 + A
∴ A = 8
= – 8 + A
∴ A = 8
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