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If the average (arithmetic mean) of x and y is 60 and the average(arithmetic mean)of y and z is 80,what is the value of(z-x)?

If the average (arithmetic mean) of x and y is 60 and the average(arithmetic mean)of y and z is 80,what is the value of(z-x)? Correct Answer 40

সুকেশা, সুকেশী, সুকেশিনী - [বিশেষণ পদ] (স্ত্রীলিঙ্গ) সুন্দর কেশযুক্তা। [বিশেষ্য পদ] সুকেশ

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