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What is the next term in series 1, 7, 16, 45, 79, 496, ?

+2 votes
591 views
posted Mar 18, 2014 by anonymous

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2 Solutions

+2 votes

1 -> one (3 letters)
7 -> seven (5)
16 -> sixteen (7)
45 -> forty five (9)
79 -> seventy nine (11)
496 -> four ninety six (13)

So next number should have 15 letters i.e. 587 maybe

Ans: 587

solution Mar 22, 2014 by anonymous
0 votes
(1+7)*2^1=16
(7+16)*2-1^1=45
(45+79)*2^2=496
then
(79+496)*2-1^2=1149
so  the next  no  is  1149
solution Mar 22, 2014 by anonymous
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