Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

The third proportional to 81 and 27 is:

Options:

8

6

7

9

Correct Answer:

9

Explanation:

81 : 27 : x

⇒ The third proportional x,

⇒ 81x = 27 x 27

⇒ 81x = 729

x = 9.