A) 4
B) 7
C) 8
D) 9
Correct Answer: C
Solution :
Divisibility rule of 9 is that the sum of all digits should be divisible by 9. Therefore \[\frac{A+5+1+5+A+O}{9}=\frac{11+2A}{9}\] From here, A should be 8. Therefore, the number is 851, 580, which is also divisible by 4.You need to login to perform this action.
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