Question

the ratio of three numbers are in the ratio of 1:2:6 their average 30.which is the smallest number

Answer 1

Given ,

ratio of 3 no.s=> 1:2:6

Average of these three no.s=> 30

Main solution :

Let the numbers be x , 2x , 6x

According to Question ,

$\frac{x + 2x + 6x}{3} = 30$

Now , solving for x using transposition :

$x + 2x + 6x = 90$

$9x = 90$

$x = 10$

The no.are :- 10 , 20 , & 60.

The smallest number = 10 ( Answer )