A and B start walking towards each other at 1pm at speed of 5kmph and 7kmph. They were initially 24km apart. At what time do they meet?	Choose the most appropriate option:
A) 4pm B) 6pm C) 3pm D) 10pm E) 5pm
Time of meeting = distance / relative speed = 24/7+5 = 24/12= 
<gadget id="calculator">24/12</gadget>
<output>2</output>
2 hrs after 1pm= 3pm   Answer is 3pm
<result>C</result>
A and B start walking towards each other at 1pm at speed of 5kmph and 7kmph. They were initially 24km apart. At what time do they meet?