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Question
Directions(43-45): What should come in place of the question mark (?) in the following number series ?

9   41   57   65   69   ?

Options:
A .  73
B .  75
C .  72
D .  76
E .  None of these
Answer: Option E


The pattern  of the number series is:

9 + 32 (=25) = 41 

41 + 16 (=24) = 57 

57 + 8 (=23) = 65 

65 + 4 (=22) = 69 

69 + 2 (=21) = 71



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