Question

If the mean of the data x+3, 2x+6 is 15, then the value of x is​

Answer 1

Answer:

Given data is x,x+1,x+3,x+6 and

Mean of the data is

2

15

Mean is the average of the values in the data set .

Therefore mean=

4

x+x+1+x+3+x+6

⟹

4

4x+10

=

2

15

⟹4x+10=

2

15

×4

⟹4x+10=30

⟹4x=30−10

⟹x=

4

20

=5

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