Classification

Q: Find the odd number out:

Correct Answer: Option C (250). All other numbers follow the pattern n^2 - 1 (4^2-1=15, 8^2-1=63, 12^2-1=143). 250 does not follow this pattern.

Q: Find the odd number out:

Correct Answer: Option D (100). All other numbers follow the pattern n^3 - n (2^3-2=6, 3^3-3=24, 4^3-4=60). 100 does not fit this pattern.

Q: Find the odd number out:

Correct Answer: Option A (65). 65 is not divisible by 7, whereas all other numbers are multiples of 7.

Q: Find the odd number out:

Correct Answer: Option C (36). 36 is the square of an even number (6^2), whereas all other options are squares of odd prime numbers (5^2, 7^2, 11^2).

Q: Find the odd number out:

Correct Answer: Option B (72). 72 is not a perfect square, whereas all other options are perfect squares.

80 Questions

Practice Classification questions with answers and step-by-step solutions. These problems are curated from recent campus placement test papers (TCS, Infosys, Wipro, Cognizant, Accenture) and competitive government exams (SSC CGL, Bank PO, RRB NTPC, UPSC).

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Classification: Reference Context & Data Shared for questions below

Reference Caselet

Reasoning Ability: Classification (80 Questions)

In each of the following questions, four options are given, out of which three are alike in a certain way and one is different. Select the odd one out.

Q51

Find the odd number out:

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Q52

Find the odd number out:

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Q53

Find the odd number out:

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Q54

Find the odd number out:

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Q55

Find the odd number out:

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Classification

Find the odd number out:

Community Discussion & Shortcut Formulas

Find the odd number out:

Community Discussion & Shortcut Formulas

Find the odd number out:

Community Discussion & Shortcut Formulas

Find the odd number out:

Community Discussion & Shortcut Formulas

Find the odd number out:

Community Discussion & Shortcut Formulas