Odd man out and missing number Puzzle - Rocky

[Arthi Singaravelan]

MISSING NUMBERS:
solution:
6) 16,33,665,131,261,------

33=(2*1st number)+1=(2*16)+1
similarly,
(2*261)+1=523
hence the answer is 523

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missing numbers:
solution:
8) 2,4,12, 48,240,--------
the solution is
(1st number *2),(2nd number * 3),(3rd number *4),(4th number * 5),(5th number *6)
hence the anwer is 1440

[Rocky Raj]

Good Work Arthi