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English and Logical Reasoning Prep Guide

Exam: English and Logical Reasoning Prep Guide
Subject: Logical Reasoning
Chapter: Classification

English and Logical Reasoning Prep Guide · Logical Reasoning · Classification

Four of the following five are alike in a certain way and so form a...

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?

Options

A72
B42
C152
D110

Correct answer

C. 152

Step-by-step solution

\begin{aligned} & 72=9^2-9 ; 42=7^2-7 ; 152=12^2+8 ; 110= \\ & 11^2-11 ; 156=13^2-13 \end{aligned}

Except 152, others show the trend

\mathrm{x}^2-\mathrm{x}

.

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