Q) COMPLETE THE SERIES1,4,15,64,260,1024,4096,16384,....A)1024B)64C)15D)260

Dear prashahasya

option C and D is correct

          1,      4,        15,         64,        260,        1024,       4096,      16384,....

or     2⁰    ,  2²    ,   2⁴ -1     ,    2⁶     ,    2⁸+4       ,      2¹⁰       ,       2¹²     ,      2¹⁴

clearly 15 and 260 does not belong to series

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