Tag: divisibility

Interview Questions

• The divisible-by-9 magic trick
• Divide 4653 by 9 in your head
• Divide 8613 by 11 in your head
• Divide 3752 by 8 in your head
• Divide 6885 by 45 in your head
• Divide 2358 by 9 in your head
• Divide 6120 by 9 the smart way
• Probability a number from 1 to 30 is divisible by 2, 3, or 5