Question

If the mean of 3, 4, x, 7, 10 is 6, then the value of x is

• A. 4
• B. 5
• C. 6
• D. 7

Answer 1

Answer: (C)

6

Answer 2

$6 = \frac { 3 + 4 + x + 7 + 10 } { 5 }$ ⇒ $30 = 24 + x$ ⇒ $x = 6$.