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What is the next number of the following sequence. 4, 48, 384, 2560, ......

+1 vote
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What is the next number of the following sequence. 4, 48, 384, 2560, ......
posted Dec 29, 2014 by anonymous

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1 Answer

+2 votes

On behalf of Aabhisjek Porwal

1*4 = 4
(1+2)*4^2 = 3*16 = 48
(1+2+3)*4^3 = 6*64 = 384
(1+2+3+4)*4^4 = 10*256 = 2560
Similarly
(1+2+3+4+5)*4^5 = 15*1024 = 15360

answer Dec 30, 2014 by Salil Agrawal
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