Two men started from the same place walk at the rate of 10kmph and 12kmph respectively. What time will they take to be 2 km apart, if they walk in the same direction?	Answers:
A) 5 hours
B) 6 hours
C) 1 hours
D) 10 hours
E) 12 hours

Rationale: to be 2 km apart they take 1 hour to be 10 km apart they take = 1 / 2 * 2 = 1 hours answer is c
Answer: C