Question

What comes next in series
1, 1.5, 5, 19.5, 86, 442.5 , ?​

Answer 1

Answer:

Sorry do we need to arrange this in order???

Answer 2

Given   : 1, 1.5, 5, 19.5, 86, 442.5 , ?​

To find : Missing Number

Solution :

1

1  *  1    +   1²/2   = 1.5

1.5 * 2 +    2²/2  = 5

5 * 3  +     3²/2  = 19.5

19.5 * 4  + 4²/2   = 86

86 * 5   +  5²/2    = 442.5

442.5 * 6  +  6²/2  =  2673

Next number is 2673

Logic  is    Tₙ₊₁  = Tₙ  * n   + n²/2           T₁ = 1

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