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
Options:
A .  5 : 3
B .  3 : 5
C .  18 : 11
D .  11 : 18
Answer: Option C Answer: (c)Increased train fare = Rs.$(120/100 × 30)$= Rs.36Increased bus fare = Rs.$(110/100 × 20)$ = Rs.22Required ratio = 36 : 22 = 18 : 11
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