1.Which number replaces the question mark?
A. 9
B. 6
C. 3
D. 1
Answer : 3
Explanation :
In each group of 3 numbers, the lower number equals the average of the top two numbers.
1.Which number replaces the question mark?
A. 9
B. 6
C. 3
D. 1
Answer : 3
Explanation :
In each group of 3 numbers, the lower number equals the average of the top two numbers.