Direction: In the following questions, numbers in the cells of each square follow some rule. Identify the number which when substituted for the question mark '?' maintains that rule.
17
33
67
9
17
35
13
?
51
A) 26
B)27
C)25
D)15
Correct Answer:
C
Solution :
In each row the logic is \[\times 2-1,\times 2+1\]