Question

4) If the mean of 12, 13, X, 17, 18 and 20 is 16, then x=?
(A) 8
(B) 16
(C)4
(D)32​

Answer 1

$\frac{12+13+x+17+18+20}{6} = 16 \\x + 80 = 16 \times 6 \\ x = 96 - 80 \\ x = 16$

Answer 2

Step-by-step explanation:

16 is correct answer according to me

EXPLANATION

IN THE QUESTIONS MEAN MEAN TO AVERAGE SO TO AVERAGE WE DO UNDER GIVEN PROCEES-----

12+13+X+17+18+20 /6=16

80+x/6=16

80+x=16×6

x=96-80

X=16

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