Find the arithmetic mean of the following: x + 10 , x + 1 , x - 20 , x + 12 , 2 – 4xA5B1CxD3xAnswer: B. 1 Read Explanation: Mean = Sum/total no. of terms = {x + 10 + x + 1 + x - 20 + x + 12 + 2 – 4x}/5 =5/5 = 1Read more in App