First slide

Means - A.M/G.M/H.M

Question

H.M. between $\frac{1}{28}$ and $\frac{1}{10}$ is

Moderate

A

$\frac{1}{19}$
B

$\frac{1}{18}$
C

$\frac{1}{17}$
D

$\frac{1}{16}$

Solution

H.M. between a and b is
$\frac{2 a b}{a + b} = \frac{2 (1 / 28) (1 / 10)}{1 / 28 + 1 / 10} = \frac{1}{19}$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App