A) 5
B) 4
C) 7
D) 2
Correct Answer: A
Solution :
A number is divisible by 9 if the sum of its digits is divisible by 9. Here, \[6+7+0+9=22\] Now, \[22+5=27,\]which is divisible by 9 Hence, 5 must be added to 6709.You need to login to perform this action.
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