A) Yes sum is 9
B) Yes sum =42=12=3
C) No Sum is 70
A) Yes - 3+8=11
B) No Sum = 108
C) Yes Sum = 165
A) Not divisible by 3 so 909 is out
B) Yes sum is divisible by 9 but not sure of trick to find out about 909. because common factors are 9 and 101
c) Yes Sum is divisible by 9 but not sure of trick to find out about 909
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