If 1/3 A = 1/4 B = 1/5 C, then A : B : C = ?

\(\frac{1}{3}\) A = \(\frac{1}{4}\) B = \(\frac{1}{5}\) C

⇒ \(\frac{1}{3}\) A = \(\frac{1}{4}\) B = \(\frac{1}{5}\) C = K (say)

⇒ A = 3K, B = 4K. C = 5K

⇒ A : B : C = 3 : 4 : 5