Question

5:block :: 30:18 what is answer

Answer 1

Answer:

3

Step-by-step explanation:

Let the unknown number be 'x'

5:x::30:18

$\frac{5}{x}$ = $\frac{30}{18}$

=> By cross multiplication: 5*18 = 30*x

=> 90 = 30x

=> x = 90/30

=> x = 3

Hope you understood!!