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Three liquids A, B and C having same spe...

Three liquids `A, B` and `C` having same specific heat and mass m , `2`m and `3` m have temperature `20^(@)C , 40^(@)C` and `60^(@)C` respectively. Temperature of the mixture when:
`{:(,"Column-I",,"Column-II"),((A),"A and B are mixed",(p),35^(@)C),((B),"A and C are mixed",(q),52^(@)),((C),"B and C are mixed",(r),50^(@)),((D),"A,B and C all three are mixed",(s),45^(@)),(,,(t),"None"):}`

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The correct Answer is:
A - P ; B - P ; C - Q ; D - S
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