Question

14. Test the following for the divisibility by 3 and 9.

(a) 294414 (b) 145404 (c) 99999​

Answer 1

Step-by-step explanation:

the answer is maybe (c) because 9 divisible so 9 is answer

Answer 2

(a)294414

(2+9+4+4+1+4):24

24/3. ;24/9 [24 is not a multiple of 9]

therefore 294414 is divisible by 3 not by 9.

(b)145404

(1+4+5+4+0+4):18

18/3 ;18/9

therefore 145404 is divisible by both 3 and 9.

(c)99999

(9+9+9+9+9):45

45/3 ;45/9

therefore 99999 is divisible by both 3 and 9.