Question
Capacity of 4 bowls = Capacity of 1 tank
Capacity of 5 tanks = Capacity of 1 drum

Capacity of 2 drums = Capacity of  _____  bowls
4 m

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Capacity of 4 bowls = Capacity of 1 tank
Capacity of 5 tanks = Capacity of 1 drum

Capacity of 2 drums = Capacity of  _____  bowls