Question
There was some chikoo juice in a jug at first. When 840 mℓ of chikoo juice was poured into it, 250 mℓ of chikoo juice flowed out of the jug. If the capacity of the jug was 790 mℓ, how much chikoo juice was in the jug at first?
2 m

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There was some chikoo juice in a jug at first. When 840 mℓ of chikoo juice was poured into it, 250 mℓ of chikoo juice flowed out of the jug. If the capacity of the jug was 790 mℓ, how much chikoo juice was in the jug at first?