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 2 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) 3 1/8 km	D) 9 km	E) 5 km
RS = 5 ¾ - 4 ½ = 1 ¼   T = 2 ½ h.   D = 5/4 * 5/2 = 25/8   = 3 1/8 km   Answer:3 1/8 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 2 ½ hours if they are walking in the same direction?