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Three liquids P,Q and R are given 4 kg o...

Three liquids P,Q and R are given 4 kg of P at `60^@C and 1kg of R at 50^@C` when mixed produce a resultant temperature `55^@C` . A mixture of 1kg of P at `60^@C` and 1kg of Q at `50^@C` shows a temperature of `55^@C` . What will be the resulting temperature when 1 kg of Q at `60^@C` is mixed with 1 kg of R at `50^@C`?

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The correct Answer is:
B, C
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