Please submit your concern

Question:

Find the mean proportional between 0.04 and 0.0036.

Explanation:

Let the mean proportional be x.

⇒ $\frac{0.04}{\mathrm{x}}$ = $\frac{\mathrm{x}}{0.0036}$

⇒ x² = 0.04 × 0.0036

⇒ x = 0.2 × 0.06

⇒ x = 0.012

Hence, option (a).