CUET Preparation Today
CUET
General Test
Numerical Ability
Ratios
If x is the mean proportional between 12.8 and 64.8, then the value of x is:
32
34
28.8
26.4
Using the direct formula,
Mean Proportion (x) = \(\sqrt {a\; \times\; b}\)
= \(\sqrt {12.8\; \times\; 64.8 }\)
x = 28.8
