Question

test the divisibility of the following number 11 (a) 7016 9803
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Answer 1

Sum of odd digits counting from right = 8 + 3 + 6 + 0 = 17

Sum of even digits counting from right = 0 + 9 + 1 + 7 = 17

Difference = 17-17 = 0

Difference is divisible by 11. Therefore, 70169308 is divisible by 11.

Answer 2

Answer:

70169803

sum of odd number = 6+8+3+0= 17

sum of even number= 7+1+9+0= 17

difference= 17-17 =0

so it is divisible by 11