If 8x + 8y = 64, What is the average of x and y ?
Solution
Correct Answer: Option D
Solution:
x এবং y এর গড় অর্থাৎ \(\frac{{x + y}}{2}\) এর মান বের করতে হবে ।
এখন, 8x + 8y = 64
=> 8 (x + y) = 64
=> \(\frac{{8(x + y)}}{{16}} = \frac{{64}}{{16}}\) [ 16 দ্বারা উভয় পক্ষকে ভাগ করে ]
=> \(\frac{{x + y}}{2}\) = 4
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