Question

if 6:5 = f:20 then what will be the value of f​

Answer 1

6:5 = f:20

$\frac{6}{5} = \frac{f}{20} \\ by \: cross \: multiply \: \\ 6 \times 20 = 5 \times f \\ 120 = 5f \\ \frac{120}{5} = f \\ f = 24$

So the value of f is 24

Answer 2

Hey friend!

Here is the solution of your question....

6 : 5 = f : 20

$= > \frac{6}{5} = \frac{f}{20}$

$= > f = \frac{6}{5} \times 20$

$= > f = 6 \times 4 = 24$

Therefore, f = 24

I hope it helps you...