Find the mean proportion of \(\frac{1}{25}\) and \(\frac{1}{49}\) .
Answer & explanation
Correct answer: option 1
Mean proportion of a and b = \(\sqrt {a × b }\)
⇒ Mean proportion = \(\sqrt {\frac{1}{25} × \frac{1}{49}}\)
= \(\frac{1}{5 × 7}\) = \(\frac{1}{35}\)