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What will be the next number of 7, 4.5, 5.5, 12, 49, ?

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What will be the next number of 7, 4.5, 5.5, 12, 49, ?
posted Oct 11, 2018 by anonymous

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1 Answer

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7, 4.5, 5.5, 12, 49, 393
7*0.5 +1=4.5
4.5*1+1=5.5
5.5*2+1=12
12*4+1=49
49*8+1=393

answer Oct 12, 2018 by Hanifa Mammadov
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