Question

If the arithmetic mean 8,4,x,2 and 7 is 5. find the value of x

Answer 1

A.T.Q

8+4+2+7+X/5 =5

21+X/5=5

21+X=25

X=25-21

X=4

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Answer 2

HELLO DEAR


$\frac{8 + 4 + x + 2 + 7}{5} = 5 \\ \\ = 21 + x = 25 \\ \\ x = 25 - 21 \\ \\ x = 4$
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