Two men A and B start from place X walking at 4 ½ kmph and 5 ¾ kmph respectively. How many km apart they are at the end of 4 ½ hours if they are walking in the same direction?  Choose the correct choice from the following answers:
A) 7 km B) 6 km C) 5 5/8 km D) 9 km E) 5 km
RS = 5 ¾ - 4 ½ = 1 ¼   T = 4 ½ h.   D = 5/4 * 9/2 = 45/8   = 5 5/8 km   Answer:5 5/8 km
<result>C</result>
Two men A and B start from place X walking at 4 ½ kmph and 5 ¾ kmph respectively. How many km apart they are at the end of 4 ½ hours if they are walking in the same direction?