General Intelligence & Reasoning | Questions
Classification questions with solutions
Classification is a General Intelligence & Reasoning topic for competitive exams. It appears across bank and railway exams. This page has 10 solved classification questions written to the official pattern, with a worked solution under each.
- Question 1Easy
Find the odd one out.
- A.Ganga
- B.Yamuna
- C.Brahmaputra
- D.EverestCorrect
Show solution
Ganga, Yamuna and Brahmaputra are major rivers. Mount Everest is a mountain peak, not a river — hence the odd one out.
- Question 2Easy
Which one is the odd one out: Rose, Lotus, Lily, Mango?
- A.MangoCorrect
- B.Rose
- C.Lily
- D.Lotus
Show solution
Rose, lotus and lily are flowers, while mango is a fruit, so mango is the odd one out.
- Question 3Easy
Find the odd one out: Copper, Iron, Aluminium, Wood
- A.Copper
- B.Iron
- C.Aluminium
- D.WoodCorrect
Show solution
Copper, iron and aluminium are metals. Wood is an organic non-metal material, so it is the odd one out.
- Question 4Easy
Find the odd one out: India, China, Japan, Paris.
- A.India
- B.China
- C.ParisCorrect
- D.Japan
Show solution
India, China and Japan are countries, while Paris is a city, so Paris is the odd one out.
- Question 5Easy
Find the odd one out: Rose, Lotus, Lily, Mango.
- A.Rose
- B.Lily
- C.Lotus
- D.MangoCorrect
Show solution
Rose, lotus and lily are flowers, whereas mango is a fruit, so mango is the odd one out.
- Question 6Easy
Find the odd one out: 5, 7, 9, 11.
- A.7
- B.11
- C.5
- D.9Correct
Show solution
5, 7 and 11 are prime numbers, but 9 = 3 × 3 is composite, so 9 is the odd one out.
- Question 7Easy
Find the odd one out: Apple, Banana, Carrot, Mango.
- A.CarrotCorrect
- B.Mango
- C.Apple
- D.Banana
Show solution
Apple, banana and mango are fruits, but carrot is a vegetable.
- Question 8Easy
Find the odd one out: 8, 27, 64, 100, 125.
- A.27
- B.64
- C.100Correct
- D.125
Show solution
8, 27, 64 and 125 are perfect cubes (2, 3, 4 and 5 cubed). 100 is a perfect square, not a cube, so it is the odd one out.
- Question 9Moderate
Four of the following five are alike in a certain way and form a group. Which is the one that does not belong?
- A.43
- B.29
- C.20Correct
- D.13
- E.3
Show solution
Every number except 20 is a prime number, so 20 is the odd one out.
- Question 10Moderate
Find the odd one out: 8, 27, 64, 100.
- A.27
- B.64
- C.100Correct
- D.8
Show solution
8, 27 and 64 are perfect cubes (2³, 3³, 4³), but 100 is not a cube, so it is the odd one out.
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Frequently asked questions
How many Classification questions are here?
This page shows 10 worked classification questions from a bank of 10, spanning 8 easy, 2 moderate and 0 hard. The full set is available to attempt in the timed-free practice drills and the mock tests.
Which exams ask Classification questions?
Classification is a standard General Intelligence & Reasoning topic across bank and railway recruitment exams.
Are these Classification questions free, and are the answers reliable?
Yes. Every question is free, written in-house to the exam pattern rather than copied from a real paper, and the numeric answer keys are recomputed independently at build time — a wrong key fails the build rather than reaching you.