Question

21. If the average of 4, 5, x and 6 is 4.5, then
the value of x is:​

Answer 1

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THIS IS M J

ANSWER-

To Find - The Value of X

GIVEN- The Average of 4,5,x,6=4.5

Solution-

We Know that ,

Average= 4.5=

$sum \: of \: all \: observations \div total \: number$

Avg=(4+5+x+6)/4=4.5

Avg=4+5+x+6=18

avg=x=18-15

x=3

The Value Of x Is 3

Hope it will help u