volume_mute
Match Each Divisor to Its Divisibility Test
publish date: 2026/05/11 11:32:54.456067 UTC
volume_muteMatch each divisor to the correct divisibility test.
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Divisor
2
3
5
9
10
Test
Last digit is 0 or 5
Sum of digits is divisible by 9
Last digit is 0
Sum of digits is divisible by 3
Last digit is divisible by 2
Correct Answer
(1) 2,Last digit is divisible by 2
(2) 3,Sum of digits is divisible by 3
(3) 5,Last digit is 0 or 5
(4) 9,Sum of digits is divisible by 9
(5) 10,Last digit is 0
Explanation
Divisibility rules: 2 → last digit even. 3 → digit sum ÷ 3. 5 → last digit 0 or 5. 9 → digit sum ÷ 9. 10 → last digit 0.
Reference
Mathematics for college students