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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 lll 7 & 3 & 2 4 & 9 & 6 2 & 1 & 5 69 & 91 & ? array

\begin{array}{lll}7 & 3 & 2 \\4 & 9 & 6 \\2 & 1 & 5 \\69 & 91 & ?\end{array}

Options

A $58$
B $51$
C $65$
D $64$

Correct answer

C. $65$

Step-by-step solution

Columnwise First Column

(7)^2+(4)^2+(2)^2=49+16+4=69

Second Column

(3)^2+(9)^2+(1)^2=9+81+1=91

Third Column

(2)^2+(6)^2+(5)^2=4+36+25=65

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