Question

Arithmetic mean of two positive numbers is 10 if one number is 6 then others number is​

Answer 1

Answer:

14

Step-by-step explanation:

Let the unknown number be x

$\frac{6+x}{2} = 10\\6+x=20\\x=20-6\\x=14$

Answer 2

Answer:

let the unknown number x

A.P =sum of given two numbers/2

10=6+x/2

20=6+x

x=14

then , answer is 14