Question

9,5,7,22,120,? find the missing no series

Answer 1

Given :- 9, 5, 7, 22, 120, ? find the missing no series ?

Answer :-

As we can see that,

→ 5 - 9 = (-4)

→ 7 - 5 = 2 .

numbers are increasing in random order after that also . So, using differences of difference we get,

9 5 7 22 120 434

-4 2 15 98 314

6 13 83 216

7 70 133

63 63

therefore, the possible next term in the series will be 434.

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