Question

Find the arithmetic mean of the following: x + 10 , x + 1 , x - 20 , x + 12 , 2 – 4x

• A. 5
• B. 1
• C. x
• D. 3x

Answer 1

Answer:

B. 1

Mean = Sum/total no. of terms = {x + 10 + x + 1 + x - 20 + x + 12 + 2 – 4x}/5 =5/5 = 1