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Identify the number that does NOT belong to the following series. 104, 108, 54, 58, 29, 31

A54

B58

C29

D31

Answer:

D. 31

Read Explanation:

  • 104 + 4 = 108

  • 108 ÷ 2 = 54

  • 54 + 4 = 58

  • 58 ÷ 2 = 29

  • 29 + 4 = 33 ≠ 31


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1,3,10,21,64,129,389,777

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