If the difference between the average of x, y and y, z is 12, then the difference between x and z is :
A. 6
B. 48
C. 24
D. 12
Answer: Option C
Solution (By Examveda Team)
$$\eqalign{ & \Rightarrow \frac{{x + y}}{2} - \frac{{y + z}}{2} = 12 \cr & \Rightarrow x + y - y - z = 24 \cr & \Rightarrow x - z = 24 \cr} $$This Question Belongs to Arithmetic Ability >> Average
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