1. A 750 ml mixture contains milk and water in the respective ratio of 8 : 7. What quantity of milk can be added to mixture to get a new mixture containing milk and water in the respective ratio of 8 : 5 ?






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  • By: anil on 05 May 2019 01.21 am
    Quantity of milk in 750 l mixture = $$frac{8}{15} imes 750 = 400$$ ml Quantity of water = $$750 - 400 = 350$$ ml Let the quantity of milk to be added = $$x$$ ml Acc to ques, => $$frac{400 + x}{350} = frac{8}{5}$$ => $$400 + x = frac{8}{5} imes 350 = 560$$ => $$x = 560 - 400 = 160$$ ml
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