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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 49 & 100 & 64 9 & 36 & 4 81 & 1 & 25 19 & ? & 15 array

\begin{array}{lll}49 & 100 & 64 \\9 & 36 & 4 \\81 & 1 & 25 \\19 & ? & 15\end{array}

Options

A $14$
B $16$
C $17$
D $18$

Correct answer

C. $17$

Step-by-step solution

\begin{aligned} & \sqrt{49}+\sqrt{9}+\sqrt{81}=7+3+9=19 \\ & \sqrt{64}+\sqrt{4}+\sqrt{25}=8+2+5=15 \\ & \sqrt{100}+\sqrt{1}+\sqrt{36}=10+1+6=17\end{aligned}

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