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BEGINNERNumber Properties
Divisibility Rules
Quick rules to check if a number is divisible by 2, 3, 4, 5, 6, 8, 9, 11 without division
SSCIBPSRailways
Memorize these rules to instantly check divisibility:
How It Works
0
By 2: Last digit is 0, 2, 4, 6, or 8
1
By 3: Sum of digits divisible by 3
2
By 4: Last 2 digits divisible by 4
3
By 5: Last digit is 0 or 5
4
By 6: Divisible by both 2 and 3
5
By 8: Last 3 digits divisible by 8
6
By 9: Sum of digits divisible by 9
7
By 11: Alternating sum of digits divisible by 11
Examples
📝 Is 2376 divisible by 9? → 2+3+7+6=18 ✓
📝 Is 3542 divisible by 11? → 3-5+4-2=0 ✓
Pro Tips
💡 For 11: Add odd-position digits, subtract even-position digits
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