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?  Pick
A) 4 3/6  B) 4 3/9  C) 4 3/8  D) 4 3/4  E) 4 3/1
RS = 5 3/4 - 4 1/2 = 1 1/4   T = 3 1/2 h.   D = 5/4 * 7/2 = 35/8 = 4 3/8 km   Answer: 4 3/8
<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 3 ½ hours if they are walking in the same direction?