Question


 Find the last two digits of  (148)1084


Options:
A .   06
B .   66 
C .    56
D .   16
E .   a < -2
Answer: Option D
:
D

(148)1084=(37)1084×(4)1084
          =(374)271×(2)2168
          =(372×372)271×....56
          =(..69×..69)271×.....56
          =(61)271×....56=....61×....56=......16
 


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