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

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.

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.