Question

Which one of the following gives the golden ratio ?

a) $\frac{1+\sqrt{5}}{2}$

b) $\frac{2+\sqrt{5}}{2}$

c) $\frac{2+5}{2}$

d) $\frac{1+\sqrt{7}}{2}$

• A. a)
• B. b)
• C. c)
• D. d)

Answer 1

The correct option is A

a)

The fixed value 1.618 is called as the golden ratio.

The simplified value of $\frac{1+\sqrt{5}}{2}$ is 1.618

So, answer is $\frac{1+\sqrt{5}}{2}$.