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Question -

If the mean of x + 2, 2x + 3, 3x + 4, 4x + 5 is x + 2, find x.



Answer -

The given data is x+2, 2x+3, 3x+4, 4x+5. They are four in numbers.
The mean is
┬а
┬а
But, it is given that the mean is x+2. Hence, we have

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