Find the mean proportion of \(\frac{1}{36}\) and \(\frac{1}{16}\) .
Answer & explanation
Correct answer: option 3
Mean proportion of a and b = \(\sqrt {a × b }\)
⇒ Mean proportion = \(\sqrt {\frac{1}{36} × \frac{1}{16}}\)
= \(\frac{1}{6 × 4}\) = \(\frac{1}{24}\)