Question

question number 10

option d is 22 not 12

Answer 1

Heya user,

Mean proportional or Geometric mean of two no.s a, b :

--> x = √(ab)

So, here: [ x / 16 ] = [ 36 / x ]
=======> x² = 16 * 36
=======> x = √576 = + 24

Hence, the mean proportional of 16, x, 36 is 24....