Question

in the number 317_what digit can be written in the ones place to make it divisible by2

Answer 1

We know that any number having unit digit as a even number is divisible by 2 .
So the numbers which replace the dash are 0 , 2 , 4 , 6 and 8.

Answer 2

Dear mate,
Here's your answer...
0 is the smallest digit that will be placed at ones place then the number 3172 will be divisible by 2 and will give 1586 . We can also place 2 , 4 ,6 , 8 to make the given number divisible by 2.
Hope it helps you !!