IQ - Lets see who have high IQ Level

[Xenophanez]

1. ghulam & chulaman to other bank
2. ghulam rows back
3. wazeer & wazeeran to other bank
4. chulaman brings back the boat
5. Ghulam and chulaman row to other bank
6. ghulam brings back the boat
7. King & queen to other bank
8. chulaman comes back and rows back with ghulam.