Find the missing number in the series: 2, 5,__ , 19 , 37, 75

1. 10 2. 9 3. 7 4. 8

Your Answer

9

0

  • 2*2+1=5 5*2-1=9 9*2+1=19 19*2-1=37 37*2+1=75 FORMAT IS +1,-1,+1,-1,+1

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