1.

If S_(1)= {2}, S_(2) = {3,6}, S_(3) = {4,8,16}, S_(4) = { 5,10, 20, 40}, …...... then the sum of numbers in the set S_(15) is

Answer»

`5^(2^(15) )`
`16 ( 2^(13) - 1)`
`16( 2^(16) -1)`
`15(2^(15) -1)`

Answer :B


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