How many grams of liquid of specific hea...

How many grams of liquid of specific heat `0.2` at temperature `40^(@)C` must be mixed with `100 gm` of a liquid of specific heat of `0.5` at temperature `20^(@)C`, so that the final temperature of the mixture becomes `32^(@)C`

175 gm

300 g

295 gm

375 g

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