Correct Answer - Option 1 : 9 kg

**Given****∶**

The different quantities Tea are 306 kg, 234 kg and 405 kg.

**Formula Used****∶**

Concept of HCF

**Calculation****∶**

The different quantities of Tea are 306 kg, 234 kg and 405 kg

Required capacity of the largest possible box = HCF of 306, 234 and 405

So, HCF of 306, 234 and 405 = 9

**∴ 9 kg is the capacity of the largest possible box.**