Question

Using divisibility tests, determine which of the following numbers are divisible 11 or 4?

Answer 1

Answer:

Sum of the digits at odd places = 3 + 1 + 0 = 4 Sum Of the digits at even places = 5 + 1 + 9 = 15 Difference = 15 - 4 = 11 The difference between the sum of the digits at odd places and the sum of the digits at even places is 11, which is divisible by 11.

Step-by-step explanation:

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