If 20% of A = 30% of B = 1/6 of C, then A : B : C is?

20% × A = 30% × B = \(\frac{1}{6}\) × C

⇒ \(\frac{1}{5}\) A = \(\frac{3}{10}\) B = \(\frac{1}{6}\) C

A     :      B      :     C

5     :    \(\frac{10}{3}\)     :    6

15  :       10     :     18