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7 November, 05:24

Which of the numbers 285, 629, 5490, 7392, 15708, 43695 are divisible by 3 but not by 9.

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Answers (2)
  1. 7 November, 05:35
    0
    Divisible by 3 and not by 9 are 285, 7392 and 15708.

    Step-by-step explanation:

    We need to find which of the numbers 285, 629, 5490, 7392, 15708, 43695 are divisible by 3 but not by 9.

    285

    285 : 3 = 95 Divisible

    285 : 9 = 31.66 Not divisible.

    Correct

    629

    629 : 3 = 209.67 Not divisible

    629 : 9 = 69.89 Not divisible.

    Not correct

    5490

    5490 : 3 = 1830 Divisible

    5490 : 9 = 610 Divisible.

    Not correct

    7392

    7392 : 3 = 2464 Divisible

    7392 : 9 = 821.33 Not divisible.

    Correct

    15708

    15708 : 3 = 5236 Divisible

    15708 : 9 = 1745.33 Not divisible.

    Correct

    43695

    43695 : 3 = 14565 Divisible

    43695 : 9 = 4855 Divisible.

    Not correct

    Divisible by 3 and not by 9 are 285, 7392 and 15708.
  2. 7 November, 08:30
    0
    285, 629, 7392, 15708,43695

    Step-by-step explanation:

    If you add the digits of the number together, it should be divisible by 9. If it isn't, then it must be a multiple of only 3, not 9.
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