Question 382152: If a number 774958A96B is to be divisible by 8 and 9, the values of A and B, respectively, will be:
Found 2 solutions by Jk22, nayha:
Answer by Jk22(389)   (Show Source):
You can put this solution on YOUR website! 774958A96B is the number. It's divisible by 8 if the last 3 digits are
960, 968, B can be 0 or 8
it's divisible by 9 if the sum of the digits is : A+55+B
if B=0 : A+55 should be divisible by 9 : A=8 (or A+55 -> A+5+5->A+10->A+1)
if B=8, A+9 should be divisible by 9, A=0
there are 2 numbers : 7749580968 7749588960
Answer by nayha(6)  (Show Source):
You can put this solution on YOUR website! 960, 968, B can be 0 or 8
it's divisible by 9 if the sum of the digits is : A+55+B
if B=0 : A+55 should be divisible by 9 : A=8 (or A+55 -> A+5+5->A+10->A+1)
if B=8, A+9 should be divisible by 9, A=0
there are 2 numbers : 7749580968 7749588960
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