English, asked by bdhdjznnnsnna56, 2 months ago

If the arithmetic mean of x,x+1,x+5,x+9and x+10 is 10 then x is

Answers

Answered by itzHATERxx

0

Answer:

Given, arithmetic mean =9

A.M. =

Number

Sum

A.M. =

4

5+7+9+x

⇒9=

4

21+x

⇒x=36−21

⇒x=15

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