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 3 ½ hours if they are walking in the same direction?  Options:
A) 4 1/8 km B) 5 4/8 km C) 6 1/8 km D) 4 3/8 km E) 3 2/8 km
D   4 3/8 km   RS = 5 ¾ - 4 ½ = 1 ¼   T = 3 ½ h.   4 3/8 km = 5/4 * 7/2 = 35/8 = 4 3/8 km
<result>D</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 3 ½ hours if they are walking in the same direction?