Question

Which of the following statements is NOT correct?

• A. A number is divisible by 11 if the sum of its digits is divisible by 11.
• B. A number is divisible by 3 or 9 if the sum of digits is divisible by 3 or 9, respectively.
• C. A number is divisible by 6 if the sum of its digits is divisible by 3 and the digit at unit place is an even digit.
• D. A number is divisible by 5 if the digit at unit place is 5 or 0.

Answer 1

Answer:

A. A number is divisible by 11 if the sum of its digits is divisible by 11.

A number is divisible by 11 if the sum of its digits is divisible by 11.