The bus fare and train fare of a place from kolkata were Rs. 20 and Rs. 30 respectively. Train fare has been increased by 20% and the bus fare has been increased by 10%. The ratio of new train fare to new bus fare is.

Correct Answer: 18 : 11
Required ratio
= 120% of Rs. 30 : 110% of Rs. 20
= 36 : 22
= 18 : 11