1.

In two vessels, A and B, there is mixture of milk and water, The ratio of milk and water in these vessels is 5:2 and 8:5 respectively. In water ratio these mixture be mixed togather so that the ratio of milk and water in the new mixture becomes 9:4 ?

Answer»

`7:2`
`2:7`
`3:5`
`5:3`

Solution :Milk in 1 LITRE of `A =(5)/(7)` litre
Milk in 1 litre of `B =(8)/(13)` litre
Milk in 1 litre of MIXTURE `=(9)/(13)` litre

`THEREFORE` Requried ratio ` =(1)/(13):(2)/(91)=7:2`


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