Question

The arithmetic means of terms 21, 16, 24, x, 29, 15 is 23. Find the value of x​

Answer 1

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arithmetic mean = sums of the terms ÷ total number of sums

$\sf \: am \: = \frac{(21+16+24+x+29+15)}{6}=23$

x=138-[21+16+24+29+15]

x= 33