Question

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

• A. 54
• B. 58
• C. 29
• D. 31

Answer 1

Answer:

D. 31

• 104 + 4 = 108

• 108 ÷ 2 = 54

• 54 + 4 = 58

• 58 ÷ 2 = 29

• 29 + 4 = 33 ≠ 31