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English and Logical Reasoning Prep Guide

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

English and Logical Reasoning Prep Guide · Logical Reasoning · Arithmetic Reasoning

A is half as old as B . C is twice as old as B . How many times is...

A

is half as old as

B . C

is twice as old as

B

. How many times is

C

as old as

A ?

Options

A $2$
B $4$
C $3$
D $1$

Correct answer

B. $4$

Step-by-step solution

According to the question,
$A$ is half as old as $B$ that means,
~ $\dfrac{1}{2}B = A$ ~... ( $1$ )
$C$ ~is twice as old as $B$ ,
$C = 2B$ ~... ( $2$ )
Compare eq. ( $1$ )~and ( $2$ ), we get
$2A = \dfrac{C}{2}$
$4A = C$
Hence, $C$ is $4$ times older than $A$ .

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