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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
Ratio.JPG [ 18.4 KiB | Viewed 28871 times ]
A. 8 to 5
B. 6 to 5
C. 5 to 4
D. 2 to 1
E. 1 to 1
Attachment:
Ratio.JPG [ 18.4 KiB | Viewed 28871 times ]
20 Feb 2011, 04:11
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Which of the following ratios is most nearly equal to the ratio 1 + square root of 5 to 2?
A. 8 to 5
B. 6 to 5
C. 5 to 4
D. 2 to 1
E. 1 to 1
Answer choices represent the ratios, for example 6 to 5 means 6/5.
\(\frac{1+\sqrt{5}}{2}\approx{\frac{1+2.2}{2}}=\frac{3.2}{2}=1.6=\frac{8}{5}\)
Answer: A.
A. 8 to 5
B. 6 to 5
C. 5 to 4
D. 2 to 1
E. 1 to 1
Answer choices represent the ratios, for example 6 to 5 means 6/5.
\(\frac{1+\sqrt{5}}{2}\approx{\frac{1+2.2}{2}}=\frac{3.2}{2}=1.6=\frac{8}{5}\)
Answer: A.
20 Feb 2011, 04:23
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\(\frac{1+sqrt{5}}{2}=\frac{10(1+2.24)}{20}=\frac{32.4}{20}\)
A. \(\frac{8}{5}=\frac{32}{20}\)
B. \(\frac{6}{5}=\frac{24}{20}\)
C. \(\frac{5}{4}=\frac{25}{20}\)
D. \(\frac{2}{1}=\frac{40}{20}\)
E. \(\frac{1}{1}=\frac{20}{20}\)
Compare the numerators. A's numerator is the closest.
Ans: "A"
A. \(\frac{8}{5}=\frac{32}{20}\)
B. \(\frac{6}{5}=\frac{24}{20}\)
C. \(\frac{5}{4}=\frac{25}{20}\)
D. \(\frac{2}{1}=\frac{40}{20}\)
E. \(\frac{1}{1}=\frac{20}{20}\)
Compare the numerators. A's numerator is the closest.
Ans: "A"
