Odd man out and series

(31) Which number does not belong in the series: 10, 14, 19, 26, 35, 46, 59?

• (a) 19
• (b) 26
• (c) 35
• (d) 46

Answer

Correct Answer: (c) 35
The pattern is adding consecutive prime numbers: 2, 3, 5, 7, 11, 13, 17, …
The number 35 does not fit this pattern.

(32) Look at this series: 6, 12, 24, 48, 96, … What number should fill the blank?

• (a) 100
• (b) 110
• (c) 120
• (d) 192

Answer

Correct Answer: (d) 192
This is a series of doubling numbers: 6, 12, 24, 48, 96, …
The next number should be \(96 \times 2 = 192\).

(33) Which number does not belong in the series: 14, 29, 44, 59, 74, 94, 119?

• (a) 44
• (b) 59
• (c) 74
• (d) 94

Answer

Correct Answer: (d) 94
The pattern is adding 15 to each number: 14, 29, 44, 59, 74, 89, 104, …
The number 94 does not fit this pattern.

(34) Look at this series: 8, 24, 48, 80, 120, … What number should fill the blank?

• (a) 140
• (b) 160
• (c) 180
• (d) 180

Answer

Correct Answer: (d) 180
This is a series of numbers where each number is multiplied by 3: 8, 24, 48, 80, 120, …
The next number should be \(120 \times 3 = 360\).

(35) Which number does not belong in the series: 3, 5, 9, 15, 23, 33, 45?

• (a) 9
• (b) 15
• (c) 23
• (d) 33

Answer

Correct Answer: (b) 15
The pattern is adding consecutive odd numbers: 2, 4, 6, 8, 10, 12, …
The number 15 does not fit this pattern.