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The temperature of equal masses of three...

The temperature of equal masses of three different liquids x, y and z are `10^(@)C, 20^(@)C` and `30^(@)C` respectively. The temperature of mixture when x is mixed with y is `16^(@)C` and that when y is mixed with z is `26^(@)C`. The temperature of mixture when x and z are mixed will be :

A

`25. 62^(@)C `

B

`20. 28^(@)C `

C

`28. 32^(@)C `

D

`23. 84^(@)C `

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