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Question Number 33513 by mondodotto@gmail.com last updated on 18/Apr/18

$$\mathbf{In}\mathbf{a}\mathbf{recent}\mathbf{pool}\mathbf{of}500\mathbf{men}\mathbf{and}500\mathbf{women}$$$$\mathbf{it}\mathbf{was}\mathbf{observed}\mathbf{that}\mathbf{a}\mathbf{total}\mathbf{of}650\mathbf{were}\mathbf{married}.$$$$\mathbf{of}\mathbf{those}\mathbf{married}275\mathbf{were}\mathbf{men}\mathbf{and}500$$$$\mathbf{claimed}\mathbf{to}\mathbf{be}\mathbf{happy}.\mathbf{out}\mathbf{of}750\mathbf{who}\mathbf{claimed}$$$$\mathbf{to}\mathbf{be}\mathbf{happy},400\mathbf{were}\mathbf{men}\mathbf{of}\mathbf{which}200$$$$\mathbf{were}\mathbf{married}.\mathbf{Represent}\mathbf{this}\mathbf{information}$$$$\mathbf{on}\mathbf{the}\mathbf{venn}-\mathbf{diagram}\mathbf{and}\mathbf{then}\mathbf{find}$$$$\left(\mathbf{i}\right)\mathbf{the}\mathbf{number}\mathbf{of}\mathbf{married}\mathbf{who}$$$$\mathbf{are}\mathbf{unhappy}.$$$$\left(\mathbf{ii}\right)\mathbf{the}\mathbf{number}\mathbf{of}\mathbf{married}\mathbf{who}$$$$\mathbf{are}\mathbf{happy}.$$$$$$$$$$

Commented by mondodotto@gmail.com last updated on 18/Apr/18

$$\mathrm{please}\mathrm{help}$$

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