Question

What is a number not divisible by 2 whose digit is 1,4,5,7

Answer 1

Well, any number that doesn't end in the 4 is not divisible by 2.

Explanation:

If you mean the digits in the number are 1, 4, 5, and 7, then any number not ending in the 4 would be correct.

So here are some possible answers:

4157

4175

4715

4751

4571

4517

5471

5417

5741

1475

1457

1547

1745

7451

7415

7145

7541

and so on...

Answer 2

When the number isn’t divisible by 2 it shouldn’t end with even numbers
So there are multiple numbers : 1457 or 1475 etc ....