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English and Logical Reasoning Prep Guide

Exam: English and Logical Reasoning Prep Guide
Subject: Logical Reasoning
Chapter: Chart Logic

English and Logical Reasoning Prep Guide · Logical Reasoning · Chart Logic

( array ccc 2 & 3 & 1 1 & 2 & -1 3 & 4 & ? array )

\left(

\begin{array}{ccc}2 & 3 & 1 \\ 1 & 2 & -1 \\ 3 & 4 & ?\end{array}

\right)

Options

A $5$
B $2$
C $1$
D $-2$

Correct answer

A. $5$

Step-by-step solution

Here the number series is as follows-

\begin{array}{ll} & 2^2-3=1 \\ & 1^2-2=-1 \\ \therefore \quad & 3^2-4=5 . \end{array}

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