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[" A tap supplies water at "10^(@)C" and...

[" A tap supplies water at "10^(@)C" and "],[" another tap at "100^(@)C" .How much hot "],[" water must be taken so that we get "20kg],[" water at "40^(@)C" ? "],[[" (A) "(20)/(3)kg],[" (B) "(40)/(3)kg," 10"kg],[" (C) "(N)/(3)," (D) "5kg]]

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