Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

Find a third proportional to the numbers 5 and 11 .

Options:

11.2

24.2

14.5

13.6

Correct Answer:

24.2

Explanation:

⇒ a : b :: b : c

Third proportion (c) = \(\frac{b^2}{a}\)

Here,

a = 5 , b = 11

∴ c = \(\frac{b^2}{a}\) = \(\frac{121}{5}\) = 24.2