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    				| 1. | 
                                    Two bottles A and B are filled with dilute sulphuric acid (sulphuric acid + water). In bottle A, water is 40% of the acid and in bottle B, acid is 60% of the water. How much mixture should we take from each bottle respectively to make 190 lt dilute sulphuric acid containing half acid and half water? | 
                            
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