Fractions/Ratios/Decimals

Which of the following ratios is most nearly equal to the ratio $1+\sqrt{5}$ to $2?$

A. $8$ to $5$
B. $6$ to $5$
C. $5$ to $4$
D. $2$ to $1$
E. $1$ to $1$

The OA is A

Source: Official Guide

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Re: Fractions/Ratios/Decimals

by Scott@TargetTestPrep » Thu Nov 05, 2020 4:11 pm

swerve wrote: ↑
Wed Oct 28, 2020 11:50 am
Which of the following ratios is most nearly equal to the ratio $1+\sqrt{5}$ to $2?$

A. $8$ to $5$
B. $6$ to $5$
C. $5$ to $4$
D. $2$ to $1$
E. $1$ to $1$

The OA is A

Source: Official Guide

Solution:

Since √5 ≈ 2.26, 1 + √5 ≈ 3.26. Rounding that down to 3.2, we have:

3.2 : 2 = 16 : 10 = 8 : 5

Answer: A

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