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A-group-of-30-men-participate-in-a-survey-of-telecom-companies-The-number-of-men-who-use-both-Idea-and-Airtel-internet-was-equal-to-the-number-of-men-who-use-neither-of-these-inernets-The-number-o




Question Number 75899 by gugum last updated on 20/Dec/19
A group of 30 men participate in a   survey of telecom companies. The  number of men who use both Idea   and Airtel internet was equal to  the number of men who use neither  of these inernets. The number of men  who use Idea is 4 more than those  who use Airtel. How many use Airtel  internet.
$$\mathrm{A}\:\mathrm{group}\:\mathrm{of}\:\mathrm{30}\:\mathrm{men}\:\mathrm{participate}\:\mathrm{in}\:\mathrm{a}\: \\ $$$$\mathrm{survey}\:\mathrm{of}\:\mathrm{telecom}\:\mathrm{companies}.\:\mathrm{The} \\ $$$$\mathrm{number}\:\mathrm{of}\:\mathrm{men}\:\mathrm{who}\:\mathrm{use}\:\mathrm{both}\:\mathrm{Idea}\: \\ $$$$\mathrm{and}\:\mathrm{Airtel}\:\mathrm{internet}\:\mathrm{was}\:\mathrm{equal}\:\mathrm{to} \\ $$$$\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{men}\:\mathrm{who}\:\mathrm{use}\:\mathrm{neither} \\ $$$$\mathrm{of}\:\mathrm{these}\:\mathrm{inernets}.\:\mathrm{The}\:\mathrm{number}\:\mathrm{of}\:\mathrm{men} \\ $$$$\mathrm{who}\:\mathrm{use}\:\mathrm{Idea}\:\mathrm{is}\:\mathrm{4}\:\mathrm{more}\:\mathrm{than}\:\mathrm{those} \\ $$$$\mathrm{who}\:\mathrm{use}\:\mathrm{Airtel}.\:\mathrm{How}\:\mathrm{many}\:\mathrm{use}\:\mathrm{Airtel} \\ $$$$\mathrm{internet}. \\ $$

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