Multiple choice general knowledge math & puzzles

10^5 - 7 is divisible by

  1. 2

  2. 3

  3. 8

  4. 2 or 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

10^5 is 100,000. 100,000 - 7 = 99,993. A number is divisible by 3 if the sum of its digits is divisible by 3. 9+9+9+9+3 = 39, which is divisible by 3. It is odd, so not divisible by 2 or 8.

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