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Two three-digit numbers 245 and 581 are written one after another.
For a number to be divisible by 3, only its digit sum matters.
What is the digit sum of 245, and is 245 divisible by 3? Enter the digit sum as your answer.

Class 6Divisibility RulesPlaying with Numbers
  • A11
  • B12
  • C22
  • D10

Step-by-Step Solution

Digit sum of 245 = 2 + 4 + 5 = 11. Since 11 is not a multiple of 3, 245 is not divisible by 3. The digit sum to enter is 11.
Answer: A) 11

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