Question 62

The average of 36, 28, 43, 56, 74, 65, 12 and x is 45. What is the value of x ?

Solution

Avg = $$\frac{36+ 28+ 43+ 56+74+65+ 12 +X}{8}$$

45= $$\frac{36+ 28+ 43+ 56+74+65+ 12 +X}{8}$$

X=46

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