The correct option is
B 432
We have to find out which number out of 321, 432, and 510 is divisible by 4.
Let's recall the divisibility rule of 4:
If the last two digits of a number is divisible by 4, then the number is divisible by 4.
First number is 321.
On dividing it by 4, we get:
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1204975/original_Screenshot_2021-06-26_140150.png)
Second number is 432.
On dividing it by 4, we get:
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1204982/original_Screenshot_2021-06-26_140539.png)
Third number is 510.
On dividing it by 4, we get:
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1204983/original_Screenshot_2021-06-26_140526.png)
Hence, out of the three numbers—321, 432, and 510, only 432 is divisble by 4.