alleryMatch each divisibility test with its mathematical rule:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
Divisibility by 3: sum of digits / 3. By 9: sum / 9. By 11: alternating digit sum difference is 0 or multiple of 11.
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