A student completes a 3 part exam as follows. The student completes section A in 10 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?  Choose the correct choice from the following answers
A) 5 : 2
B) 4 : 1
C) 4 : 3
D) 3 : 2
E) 2 : 1

Rationale: the time spent on section b and section c is 25 minutes each . the ratio of c to a is 25 : 10 = 5 : 2 the answer is a .
Answer: A