The difference between mean proportion o

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

The difference between mean proportion of 9 & 16 and 4 & 9 is :

Options:

108

180

Correct Answer:

Explanation:

Mean proportion to 9, 16 = $\sqrt{9\;\times\;16}$

= 12

Mean proportion to 4, 9 = $\sqrt{4\;\times\;9}$

= 6

Difference between them = 12 - 6 = 6