Answer:
75:45
Step-by-step explanation:
3*15=45
5*15=45
Answer:
Please refer to the attachment
Answer: 
Step-by-step explanation:
Given
The yellow line leaves the station every 6 min
The red line leaves the station every 8 min
They both leave at 
Both trains meet again after, LCM(6,8)=24 min
i.e. at

Answer:
OPTION A AND B.
AS OPTION A IS 3/5=6/10=60%
Option C=60/100=60%