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Bihar Board Class 10 (BSEB) Reasoning — practice by topic

Browse 37 questions across 23 Reasoning topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Reasoning topics

Logical Reasoning (37)Number Series (37)Seating Arrangements (37)Analogies (36)Analogy (36)Blood Relations (36)Calendar (36)Classification (36)Coding and Decoding (36)Coding Decoding (36)Dice And Cubes (36)Direction Sense (36)Distance and Direction (36)Floor Puzzle (36)Inequalities (36)Mirror And Water Images (36)Number Series, Coding and Decoding and Odd Man Out (36)Odd One Out (36)Reasoning & Aptitude (36)Series (36)Sets and Venn Diagrams (36)Syllogisms (36)Venn Diagrams (36)

Try a Reasoning question

Find the next number in the series: 2, 6, 12, 20, 30, ?Read the answer and worked solution →Which one does NOT belong with the others? Square, Rectangle, Rhombus, TriangleRead the answer and worked solution →Pointing to a photo, a man says, 'She is the daughter of my grandfather's only son.' How is the girl related to the man?Read the answer and worked solution →A man walks 5 km North, turns right and walks 3 km, turns right again and walks 5 km. How far is he from the start?Read the answer and worked solution →

Worked practice questions

Find the next number in the series: 2, 6, 12, 20, 30, ?

  1. 36
  2. 42
  3. 44
  4. 40
Show answer and solution

Correct answer: B. 42

Differences are 4, 6, 8, 10, so the next difference is 12: $30 + 12 = 42$. (General term $n(n+1)$.)

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Which one does NOT belong with the others? Square, Rectangle, Rhombus, Triangle

  1. Triangle
  2. Square
  3. Rectangle
  4. Rhombus
Show answer and solution

Correct answer: A. Triangle

Square, rectangle and rhombus are all quadrilaterals (4 sides). A triangle has 3 sides, so it is the odd one out.

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Pointing to a photo, a man says, 'She is the daughter of my grandfather's only son.' How is the girl related to the man?

  1. Niece
  2. Daughter
  3. Cousin
  4. Sister
Show answer and solution

Correct answer: D. Sister

'My grandfather's only son' is the man's own father. The father's daughter is the man's sister.

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How to practise

  1. Choose a Reasoning question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
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