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Ques:- A number is divisible by 11 if the difference between the sum of the digits in odd and even places respectively is
A. a multiple of 3
B. a multiple of 5
C. zero or a multiple of 7
D. zero or a multiple of 11
Ques:- The smallest number that must be added to 803642 in order to obtain a multiple of 11 is
A. 1
B. 4
C. 7
D. 9