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Home › Non-Verbal Reasoning › Classification (Odd One Out)

Classification (Odd One Out) — Non-Verbal Reasoning Questions & Practice

Practise 23 Classification (Odd One Out) questions from Non-Verbal Reasoning for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Classification (Odd One Out) — with answers

Try each question first, then open the answer. Explanations are included.

1. Three of the following four figures are alike in a certain way, and one is different. Find the odd one out: △ □ ⬠ ○

  1. A○
  2. B△
  3. C□
  4. D⬠
Show answer

Answer: A

'△', '□', '⬠' share a common property, while '○' does not, because the first three are polygons made entirely of straight sides, while '○' (circle) is a curved figure with no straight sides.

2. Three of the following four figures are alike in a certain way, and one is different. Find the odd one out: ● ■ ▲ ★

  1. A■
  2. B●
  3. C▲
  4. D★
Show answer

Answer: B

'■', '▲', '★' share a common property, while '●' does not, because the last three shapes are made up of straight-line edges, while '●' (filled circle) has a curved boundary.

3. Three of the following four figures are alike in a certain way, and one is different. Find the odd one out: △ ▲ ▽ ▷

  1. A△
  2. B▲
  3. C▷
  4. D▽
Show answer

Answer: C

'△', '▲', '▽' share a common property, while '▷' does not, because the first three are all oriented with a vertex pointing up or down along the vertical axis, while '▷' points sideways.

4. Three of the following four figures are alike in a certain way, and one is different. Find the odd one out: ○ ◐ ◑ ◒

  1. A◐
  2. B◑
  3. C◒
  4. D○
Show answer

Answer: D

'◐', '◑', '◒' share a common property, while '○' does not, because the last three shapes are all partially shaded/half-filled, while '○' is completely hollow.

5. Three of the following four figures are alike in a certain way, and one is different. Find the odd one out: ■ ● ▲ ◆

  1. A●
  2. B■
  3. C▲
  4. D◆
Show answer

Answer: A

'■', '▲', '◆' share a common property, while '●' does not, because the first, third and fourth shapes are all bounded entirely by straight edges, while '●' is round.

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