The eight digit number 7654321A is divisible by 9 ‚ Where A is a single digit whole number . find A
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A=8 as sum of digits must be multiple of 9 for a no. to be divisible by 9 so a is 8
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According to divisibilty of 9 sum of all numbers must be a multiple of 9 so
7+6+5+4+3+2+1+A=?
7+6+5+4+3+2+1+A=28
A=8
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