Saved Bookmarks
| 1. |
1. Check whether 12n can end with digit 0 for any natural number N |
|
Answer» ▀▀▀▀▀▀▀▀▀Here, Number 12n where nϵNNow 12²=(2 x 3)N Now, for 12 n to end with 0, it should have 2 as well as 5 in its prime FACTORS. ALSO to end with 5, of require at least a single multiple of 5 in its prime factors, so 12 n cannot end with the digit 0 or 5.▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁⫷MARK AS BRAINLEAST⫸ |
|