Given: Ramu made buttermilk = 25 L Number of containers = 6 Buttermilk in each container = 300 ml Concept: 1 L = 1000 ml Calculation: 1 L = 1000 ml25 L = 25 × 1000 = 25,000 ml Ramu made buttermilk = 25000 ml Number of containers = 6 ⇒ Buttermilk in each container = 300 ml ⇒ Buttermilk in containers = 300 × 6 = 1800 ml ⇒ Total buttermilk = 25000 ml + 1800 ml = 26800 ml Capacity of new pack = 200 ml Number of packs = Total butter milk/ Capacity of 1 pack ⇒ 26800 ÷ 200 = 134 packs ∴ The correct option is 4 i.e. 134 packs