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If the mean of $x + 2, 2 x + 3, 3 x + 4, 4 x + 5$ is $x + 2$ , then $x =$

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Correct option is C

We have (x+2)+(2x+3)+(3x+4)+(4x+5)4=x+2⇒10x+14=4x+8⇒x=−1

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Variate x	1	2	3	4	5
Frequency f of x	4	5	y	1	2

If the mean of x+2,2x+3,3x+4,4x+5 is x+2, then x=

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

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If the mean of $x + 2, 2 x + 3, 3 x + 4, 4 x + 5$ is $x + 2$ , then $x =$