CUET Preparation Today
CUET
General Test
Numerical Ability
Ratios
The difference between mean proportion of 9 & 16 and 4 & 9 is :
6
12
108
180
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
