Subject: mathqa
Question: a student completes a 3 part exam as follows . the student completes sections a in 6 minutes and takes an equal time to complete the two remaining sections . what is the ratio of time spent on section c to section a if the total duration is 1 hour ?
Option: 
A: 7 : 1
B: 6 : 1
C: 9 : 2
D: 5 : 2
Answer: C