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#SSCCHSL #SSC #SSCMATHS #CHSL #SSCEXAM #SSCCHSL2023 #SSCCHSL2022 #SSCCHSL2024 #NTPC #RAILWAYEXAM #EXAM #SSCCPO #CPO #MATHS #NTPC_MATHS #sscchsl #sscchsl2022 #ssc_chsl #chsl_tier_1 #chsl_tier1 7. A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. Litres of liquid A contained by the can initially was
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