Develop Shell Script to the following: a) To find the sum of data series - 8, 16, 24, 32, 40. b)To Check the given number is divisible by 9 or not.

```
seq 8 8 40 |awk '{SUM=SUM+$0}END{print SUM; if (SUM %9){print "divisible"}else{print "not divisible"}}'
```